diff --git a/BUILD.gn b/BUILD.gn
index c79492c..299e340 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -511,6 +511,7 @@
     "src/reader/spirv/enum_converter_test.cc",
     "src/reader/spirv/fail_stream_test.cc",
     "src/reader/spirv/function_arithmetic_test.cc",
+    "src/reader/spirv/function_bit_test.cc",
     "src/reader/spirv/function_cfg_test.cc",
     "src/reader/spirv/function_conversion_test.cc",
     "src/reader/spirv/function_decl_test.cc",
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1aa773f..7c0f913 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -326,6 +326,7 @@
     reader/spirv/enum_converter_test.cc
     reader/spirv/fail_stream_test.cc
     reader/spirv/function_arithmetic_test.cc
+    reader/spirv/function_bit_test.cc
     reader/spirv/function_cfg_test.cc
     reader/spirv/function_conversion_test.cc
     reader/spirv/function_decl_test.cc
diff --git a/src/reader/spirv/function_arithmetic_test.cc b/src/reader/spirv/function_arithmetic_test.cc
index ad5fb6d..f194de7 100644
--- a/src/reader/spirv/function_arithmetic_test.cc
+++ b/src/reader/spirv/function_arithmetic_test.cc
@@ -442,10 +442,11 @@
   return out;
 }
 
-using SpvBinaryTest = SpvParserTestBase<::testing::TestWithParam<BinaryData>>;
-using SpvBinaryTestBasic = SpvParserTestBase<::testing::Test>;
+using SpvBinaryArithTest =
+    SpvParserTestBase<::testing::TestWithParam<BinaryData>>;
+using SpvBinaryArithTestBasic = SpvParserTestBase<::testing::Test>;
 
-TEST_P(SpvBinaryTest, EmitExpression) {
+TEST_P(SpvBinaryArithTest, EmitExpression) {
   const auto assembly = CommonTypes() + R"(
      %100 = OpFunction %void None %voidfn
      %entry = OpLabel
@@ -474,7 +475,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_IAdd,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both uint
         BinaryData{"uint", "uint_10", "OpIAdd", "uint_20", "__u32",
@@ -507,7 +508,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_FAdd,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Scalar float
         BinaryData{"float", "float_50", "OpFAdd", "float_60", "__f32",
@@ -520,7 +521,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_ISub,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both uint
         BinaryData{"uint", "uint_10", "OpISub", "uint_20", "__u32",
@@ -557,7 +558,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_FSub,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Scalar float
         BinaryData{"float", "float_50", "OpFSub", "float_60", "__f32",
@@ -570,7 +571,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_IMul,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both uint
         BinaryData{"uint", "uint_10", "OpIMul", "uint_20", "__u32",
@@ -607,7 +608,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_FMul,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Scalar float
         BinaryData{"float", "float_50", "OpFMul", "float_60", "__f32",
@@ -620,7 +621,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_UDiv,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both uint
         BinaryData{"uint", "uint_10", "OpUDiv", "uint_20", "__u32",
@@ -632,7 +633,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_SDiv,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both int
         BinaryData{"int", "int_30", "OpSDiv", "int_40", "__i32",
@@ -644,7 +645,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_SDiv_MixedSignednessOperands,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Mixed, returning int, second arg uint
         BinaryData{"int", "int_30", "OpSDiv", "uint_10", "__i32",
@@ -667,7 +668,7 @@
                    "__vec_2__i32", AstFor("v2int_30_40"), "divide",
                    AstFor("cast_int_v2uint_10_20")}));
 
-TEST_F(SpvBinaryTestBasic, SDiv_Scalar_UnsignedResult) {
+TEST_F(SpvBinaryArithTestBasic, SDiv_Scalar_UnsignedResult) {
   // The WGSL signed division operator expects both operands to be signed
   // and the result is signed as well.
   // In this test SPIR-V demands an unsigned result, so we have to
@@ -702,7 +703,7 @@
   })"));
 }
 
-TEST_F(SpvBinaryTestBasic, SDiv_Vector_UnsignedResult) {
+TEST_F(SpvBinaryArithTestBasic, SDiv_Vector_UnsignedResult) {
   // The WGSL signed division operator expects both operands to be signed
   // and the result is signed as well.
   // In this test SPIR-V demands an unsigned result, so we have to
@@ -748,7 +749,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_FDiv,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Scalar float
         BinaryData{"float", "float_50", "OpFDiv", "float_60", "__f32",
@@ -761,7 +762,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_UMod,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both uint
         BinaryData{"uint", "uint_10", "OpUMod", "uint_20", "__u32",
@@ -776,7 +777,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_SMod,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Both int
         BinaryData{"int", "int_30", "OpSMod", "int_40", "__i32",
@@ -788,7 +789,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_SMod_MixedSignednessOperands,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Mixed, returning int, second arg uint
         BinaryData{"int", "int_30", "OpSMod", "uint_10", "__i32",
@@ -811,7 +812,7 @@
                    "__vec_2__i32", AstFor("v2int_30_40"), "modulo",
                    AstFor("cast_int_v2uint_10_20")}));
 
-TEST_F(SpvBinaryTestBasic, SMod_Scalar_UnsignedResult) {
+TEST_F(SpvBinaryArithTestBasic, SMod_Scalar_UnsignedResult) {
   // The WGSL signed modulus operator expects both operands to be signed
   // and the result is signed as well.
   // In this test SPIR-V demands an unsigned result, so we have to
@@ -846,7 +847,7 @@
   })"));
 }
 
-TEST_F(SpvBinaryTestBasic, SMod_Vector_UnsignedResult) {
+TEST_F(SpvBinaryArithTestBasic, SMod_Vector_UnsignedResult) {
   // The WGSL signed modulus operator expects both operands to be signed
   // and the result is signed as well.
   // In this test SPIR-V demands an unsigned result, so we have to
@@ -892,7 +893,7 @@
 
 INSTANTIATE_TEST_SUITE_P(
     SpvParserTest_FMod,
-    SpvBinaryTest,
+    SpvBinaryArithTest,
     ::testing::Values(
         // Scalar float
         BinaryData{"float", "float_50", "OpFMod", "float_60", "__f32",
@@ -903,461 +904,6 @@
                    "__vec_2__f32", AstFor("v2float_50_60"), "modulo",
                    AstFor("v2float_60_50")}));
 
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_ShiftLeftLogical,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpShiftLeftLogical", "uint_20", "__u32",
-                   "ScalarConstructor{10}", "shift_left",
-                   "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpShiftLeftLogical", "int_40", "__i32",
-                   "ScalarConstructor{30}", "shift_left",
-                   "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpShiftLeftLogical", "uint_10", "__u32",
-                   "ScalarConstructor{30}", "shift_left",
-                   "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpShiftLeftLogical", "uint_10", "__i32",
-                   "ScalarConstructor{30}", "shift_left",
-                   "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpShiftLeftLogical",
-                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
-                   "shift_left", AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpShiftLeftLogical", "v2int_40_30",
-                   "__vec_2__i32", AstFor("v2int_30_40"), "shift_left",
-                   AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpShiftLeftLogical",
-                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
-                   "shift_left", AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpShiftLeftLogical", "v2uint_20_10",
-                   "__vec_2__i32", AstFor("v2int_40_30"), "shift_left",
-                   AstFor("v2uint_20_10")}));
-
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_ShiftRightLogical,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpShiftRightLogical", "uint_20", "__u32",
-                   "ScalarConstructor{10}", "shift_right",
-                   "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpShiftRightLogical", "int_40", "__i32",
-                   "ScalarConstructor{30}", "shift_right",
-                   "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpShiftRightLogical", "uint_10", "__u32",
-                   "ScalarConstructor{30}", "shift_right",
-                   "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpShiftRightLogical", "uint_10", "__i32",
-                   "ScalarConstructor{30}", "shift_right",
-                   "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpShiftRightLogical",
-                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
-                   "shift_right", AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpShiftRightLogical", "v2int_40_30",
-                   "__vec_2__i32", AstFor("v2int_30_40"), "shift_right",
-                   AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpShiftRightLogical",
-                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
-                   "shift_right", AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpShiftRightLogical",
-                   "v2uint_20_10", "__vec_2__i32", AstFor("v2int_40_30"),
-                   "shift_right", AstFor("v2uint_20_10")}));
-
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_ShiftRightArithmetic,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpShiftRightArithmetic", "uint_20",
-                   "__u32", "ScalarConstructor{10}", "shift_right_arith",
-                   "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpShiftRightArithmetic", "int_40", "__i32",
-                   "ScalarConstructor{30}", "shift_right_arith",
-                   "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpShiftRightArithmetic", "uint_10",
-                   "__u32", "ScalarConstructor{30}", "shift_right_arith",
-                   "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpShiftRightArithmetic", "uint_10",
-                   "__i32", "ScalarConstructor{30}", "shift_right_arith",
-                   "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpShiftRightArithmetic",
-                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
-                   "shift_right_arith", AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpShiftRightArithmetic",
-                   "v2int_40_30", "__vec_2__i32", AstFor("v2int_30_40"),
-                   "shift_right_arith", AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpShiftRightArithmetic",
-                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
-                   "shift_right_arith", AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpShiftRightArithmetic",
-                   "v2uint_20_10", "__vec_2__i32", AstFor("v2int_40_30"),
-                   "shift_right_arith", AstFor("v2uint_20_10")}));
-
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_BitwiseAnd,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpBitwiseAnd", "uint_20", "__u32",
-                   "ScalarConstructor{10}", "and", "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpBitwiseAnd", "int_40", "__i32",
-                   "ScalarConstructor{30}", "and", "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpBitwiseAnd", "uint_10", "__u32",
-                   "ScalarConstructor{30}", "and", "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpBitwiseAnd", "uint_10", "__i32",
-                   "ScalarConstructor{30}", "and", "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseAnd", "v2uint_20_10",
-                   "__vec_2__u32", AstFor("v2uint_10_20"), "and",
-                   AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpBitwiseAnd", "v2int_40_30",
-                   "__vec_2__i32", AstFor("v2int_30_40"), "and",
-                   AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseAnd", "v2uint_10_20",
-                   "__vec_2__u32", AstFor("v2int_30_40"), "and",
-                   AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpBitwiseAnd", "v2uint_20_10",
-                   "__vec_2__i32", AstFor("v2int_40_30"), "and",
-                   AstFor("v2uint_20_10")}));
-
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_BitwiseOr,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpBitwiseOr", "uint_20", "__u32",
-                   "ScalarConstructor{10}", "or", "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpBitwiseOr", "int_40", "__i32",
-                   "ScalarConstructor{30}", "or", "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpBitwiseOr", "uint_10", "__u32",
-                   "ScalarConstructor{30}", "or", "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpBitwiseOr", "uint_10", "__i32",
-                   "ScalarConstructor{30}", "or", "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseOr", "v2uint_20_10",
-                   "__vec_2__u32", AstFor("v2uint_10_20"), "or",
-                   AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpBitwiseOr", "v2int_40_30",
-                   "__vec_2__i32", AstFor("v2int_30_40"), "or",
-                   AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseOr", "v2uint_10_20",
-                   "__vec_2__u32", AstFor("v2int_30_40"), "or",
-                   AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpBitwiseOr", "v2uint_20_10",
-                   "__vec_2__i32", AstFor("v2int_40_30"), "or",
-                   AstFor("v2uint_20_10")}));
-
-INSTANTIATE_TEST_SUITE_P(
-    SpvParserTest_BitwiseXor,
-    SpvBinaryTest,
-    ::testing::Values(
-        // Both uint
-        BinaryData{"uint", "uint_10", "OpBitwiseXor", "uint_20", "__u32",
-                   "ScalarConstructor{10}", "xor", "ScalarConstructor{20}"},
-        // Both int
-        BinaryData{"int", "int_30", "OpBitwiseXor", "int_40", "__i32",
-                   "ScalarConstructor{30}", "xor", "ScalarConstructor{40}"},
-        // Mixed, returning uint
-        BinaryData{"uint", "int_30", "OpBitwiseXor", "uint_10", "__u32",
-                   "ScalarConstructor{30}", "xor", "ScalarConstructor{10}"},
-        // Mixed, returning int
-        BinaryData{"int", "int_30", "OpBitwiseXor", "uint_10", "__i32",
-                   "ScalarConstructor{30}", "xor", "ScalarConstructor{10}"},
-        // Both v2uint
-        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseXor", "v2uint_20_10",
-                   "__vec_2__u32", AstFor("v2uint_10_20"), "xor",
-                   AstFor("v2uint_20_10")},
-        // Both v2int
-        BinaryData{"v2int", "v2int_30_40", "OpBitwiseXor", "v2int_40_30",
-                   "__vec_2__i32", AstFor("v2int_30_40"), "xor",
-                   AstFor("v2int_40_30")},
-        // Mixed, returning v2uint
-        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseXor", "v2uint_10_20",
-                   "__vec_2__u32", AstFor("v2int_30_40"), "xor",
-                   AstFor("v2uint_10_20")},
-        // Mixed, returning v2int
-        BinaryData{"v2int", "v2int_40_30", "OpBitwiseXor", "v2uint_20_10",
-                   "__vec_2__i32", AstFor("v2int_40_30"), "xor",
-                   AstFor("v2uint_20_10")}));
-
-TEST_F(SpvUnaryArithTest, Not_Int_Int) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %int %int_30
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __i32
-    {
-      UnaryOp{
-        not
-        ScalarConstructor{30}
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_Int_Uint) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %int %uint_10
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __i32
-    {
-      As<__i32>{
-        UnaryOp{
-          not
-          ScalarConstructor{10}
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_Uint_Int) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %uint %int_30
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __u32
-    {
-      As<__u32>{
-        UnaryOp{
-          not
-          ScalarConstructor{30}
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_Uint_Uint) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %uint %uint_10
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __u32
-    {
-      UnaryOp{
-        not
-        ScalarConstructor{10}
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_SignedVec_SignedVec) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %v2int %v2int_30_40
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __vec_2__i32
-    {
-      UnaryOp{
-        not
-        TypeConstructor{
-          __vec_2__i32
-          ScalarConstructor{30}
-          ScalarConstructor{40}
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_SignedVec_UnsignedVec) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %v2int %v2uint_10_20
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __vec_2__i32
-    {
-      As<__vec_2__i32>{
-        UnaryOp{
-          not
-          TypeConstructor{
-            __vec_2__u32
-            ScalarConstructor{10}
-            ScalarConstructor{20}
-          }
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-TEST_F(SpvUnaryArithTest, Not_UnsignedVec_SignedVec) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %v2uint %v2int_30_40
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __vec_2__u32
-    {
-      As<__vec_2__u32>{
-        UnaryOp{
-          not
-          TypeConstructor{
-            __vec_2__i32
-            ScalarConstructor{30}
-            ScalarConstructor{40}
-          }
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-TEST_F(SpvUnaryArithTest, Not_UnsignedVec_UnsignedVec) {
-  const auto assembly = CommonTypes() + R"(
-     %100 = OpFunction %void None %voidfn
-     %entry = OpLabel
-     %1 = OpNot %v2uint %v2uint_10_20
-     OpReturn
-     OpFunctionEnd
-  )";
-  auto p = parser(test::Assemble(assembly));
-  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
-  FunctionEmitter fe(p, *spirv_function(100));
-  EXPECT_TRUE(fe.EmitBody()) << p->error();
-  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
-  Variable{
-    x_1
-    none
-    __vec_2__u32
-    {
-      UnaryOp{
-        not
-        TypeConstructor{
-          __vec_2__u32
-          ScalarConstructor{10}
-          ScalarConstructor{20}
-        }
-      }
-    }
-  })"))
-      << ToString(fe.ast_body());
-}
-
-// TODO(dneto): OpBitFieldInsert
-// TODO(dneto): OpBitFieldSExtract
-// TODO(dneto): OpBitFieldUExtract
-// TODO(dneto): OpBitReverse
-// TODO(dneto): OpBitCount
-
 // TODO(dneto): OpSRem. Missing from WGSL
 // https://github.com/gpuweb/gpuweb/issues/702
 
diff --git a/src/reader/spirv/function_bit_test.cc b/src/reader/spirv/function_bit_test.cc
new file mode 100644
index 0000000..c2b133c
--- /dev/null
+++ b/src/reader/spirv/function_bit_test.cc
@@ -0,0 +1,645 @@
+// Copyright 2020 The Tint Authors.  //
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <string>
+#include <vector>
+
+#include "gmock/gmock.h"
+#include "src/reader/spirv/function.h"
+#include "src/reader/spirv/parser_impl.h"
+#include "src/reader/spirv/parser_impl_test_helper.h"
+#include "src/reader/spirv/spirv_tools_helpers_test.h"
+
+namespace tint {
+namespace reader {
+namespace spirv {
+namespace {
+
+using ::testing::HasSubstr;
+
+std::string CommonTypes() {
+  return R"(
+  %void = OpTypeVoid
+  %voidfn = OpTypeFunction %void
+
+  %uint = OpTypeInt 32 0
+  %int = OpTypeInt 32 1
+  %float = OpTypeFloat 32
+
+  %uint_10 = OpConstant %uint 10
+  %uint_20 = OpConstant %uint 20
+  %int_30 = OpConstant %int 30
+  %int_40 = OpConstant %int 40
+  %float_50 = OpConstant %float 50
+  %float_60 = OpConstant %float 60
+
+  %ptr_uint = OpTypePointer Function %uint
+  %ptr_int = OpTypePointer Function %int
+  %ptr_float = OpTypePointer Function %float
+
+  %v2uint = OpTypeVector %uint 2
+  %v2int = OpTypeVector %int 2
+  %v2float = OpTypeVector %float 2
+
+  %v2uint_10_20 = OpConstantComposite %v2uint %uint_10 %uint_20
+  %v2uint_20_10 = OpConstantComposite %v2uint %uint_20 %uint_10
+  %v2int_30_40 = OpConstantComposite %v2int %int_30 %int_40
+  %v2int_40_30 = OpConstantComposite %v2int %int_40 %int_30
+  %v2float_50_60 = OpConstantComposite %v2float %float_50 %float_60
+  %v2float_60_50 = OpConstantComposite %v2float %float_60 %float_50
+)";
+}
+
+// Returns the AST dump for a given SPIR-V assembly constant.
+std::string AstFor(std::string assembly) {
+  if (assembly == "v2uint_10_20") {
+    return R"(TypeConstructor{
+          __vec_2__u32
+          ScalarConstructor{10}
+          ScalarConstructor{20}
+        })";
+  }
+  if (assembly == "v2uint_20_10") {
+    return R"(TypeConstructor{
+          __vec_2__u32
+          ScalarConstructor{20}
+          ScalarConstructor{10}
+        })";
+  }
+  if (assembly == "v2int_30_40") {
+    return R"(TypeConstructor{
+          __vec_2__i32
+          ScalarConstructor{30}
+          ScalarConstructor{40}
+        })";
+  }
+  if (assembly == "v2int_40_30") {
+    return R"(TypeConstructor{
+          __vec_2__i32
+          ScalarConstructor{40}
+          ScalarConstructor{30}
+        })";
+  }
+  if (assembly == "cast_int_v2uint_10_20") {
+    return R"(As<__vec_2__i32>{
+          TypeConstructor{
+            __vec_2__u32
+            ScalarConstructor{10}
+            ScalarConstructor{20}
+          }
+        })";
+  }
+  if (assembly == "v2float_50_60") {
+    return R"(TypeConstructor{
+          __vec_2__f32
+          ScalarConstructor{50.000000}
+          ScalarConstructor{60.000000}
+        })";
+  }
+  if (assembly == "v2float_60_50") {
+    return R"(TypeConstructor{
+          __vec_2__f32
+          ScalarConstructor{60.000000}
+          ScalarConstructor{50.000000}
+        })";
+  }
+  return "bad case";
+}
+
+using SpvUnaryBitTest = SpvParserTestBase<::testing::Test>;
+
+struct BinaryData {
+  const std::string res_type;
+  const std::string lhs;
+  const std::string op;
+  const std::string rhs;
+  const std::string ast_type;
+  const std::string ast_lhs;
+  const std::string ast_op;
+  const std::string ast_rhs;
+};
+inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
+  out << "BinaryData{" << data.res_type << "," << data.lhs << "," << data.op
+      << "," << data.rhs << "," << data.ast_type << "," << data.ast_lhs << ","
+      << data.ast_op << "," << data.ast_rhs << "}";
+  return out;
+}
+
+using SpvBinaryBitTest =
+    SpvParserTestBase<::testing::TestWithParam<BinaryData>>;
+using SpvBinaryBitTestBasic = SpvParserTestBase<::testing::Test>;
+
+TEST_P(SpvBinaryBitTest, EmitExpression) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = )" + GetParam().op +
+                        " %" + GetParam().res_type + " %" + GetParam().lhs +
+                        " %" + GetParam().rhs + R"(
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto* p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions())
+      << p->error() << "\n"
+      << assembly;
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  std::ostringstream ss;
+  ss << R"(Variable{
+    x_1
+    none
+    )"
+     << GetParam().ast_type << "\n    {\n      Binary{"
+     << "\n        " << GetParam().ast_lhs << "\n        " << GetParam().ast_op
+     << "\n        " << GetParam().ast_rhs;
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(ss.str())) << assembly;
+}
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_ShiftLeftLogical,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpShiftLeftLogical", "uint_20", "__u32",
+                   "ScalarConstructor{10}", "shift_left",
+                   "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpShiftLeftLogical", "int_40", "__i32",
+                   "ScalarConstructor{30}", "shift_left",
+                   "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpShiftLeftLogical", "uint_10", "__u32",
+                   "ScalarConstructor{30}", "shift_left",
+                   "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpShiftLeftLogical", "uint_10", "__i32",
+                   "ScalarConstructor{30}", "shift_left",
+                   "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpShiftLeftLogical",
+                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
+                   "shift_left", AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpShiftLeftLogical", "v2int_40_30",
+                   "__vec_2__i32", AstFor("v2int_30_40"), "shift_left",
+                   AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpShiftLeftLogical",
+                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
+                   "shift_left", AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpShiftLeftLogical", "v2uint_20_10",
+                   "__vec_2__i32", AstFor("v2int_40_30"), "shift_left",
+                   AstFor("v2uint_20_10")}));
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_ShiftRightLogical,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpShiftRightLogical", "uint_20", "__u32",
+                   "ScalarConstructor{10}", "shift_right",
+                   "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpShiftRightLogical", "int_40", "__i32",
+                   "ScalarConstructor{30}", "shift_right",
+                   "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpShiftRightLogical", "uint_10", "__u32",
+                   "ScalarConstructor{30}", "shift_right",
+                   "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpShiftRightLogical", "uint_10", "__i32",
+                   "ScalarConstructor{30}", "shift_right",
+                   "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpShiftRightLogical",
+                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
+                   "shift_right", AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpShiftRightLogical", "v2int_40_30",
+                   "__vec_2__i32", AstFor("v2int_30_40"), "shift_right",
+                   AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpShiftRightLogical",
+                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
+                   "shift_right", AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpShiftRightLogical",
+                   "v2uint_20_10", "__vec_2__i32", AstFor("v2int_40_30"),
+                   "shift_right", AstFor("v2uint_20_10")}));
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_ShiftRightArithmetic,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpShiftRightArithmetic", "uint_20",
+                   "__u32", "ScalarConstructor{10}", "shift_right_arith",
+                   "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpShiftRightArithmetic", "int_40", "__i32",
+                   "ScalarConstructor{30}", "shift_right_arith",
+                   "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpShiftRightArithmetic", "uint_10",
+                   "__u32", "ScalarConstructor{30}", "shift_right_arith",
+                   "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpShiftRightArithmetic", "uint_10",
+                   "__i32", "ScalarConstructor{30}", "shift_right_arith",
+                   "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpShiftRightArithmetic",
+                   "v2uint_20_10", "__vec_2__u32", AstFor("v2uint_10_20"),
+                   "shift_right_arith", AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpShiftRightArithmetic",
+                   "v2int_40_30", "__vec_2__i32", AstFor("v2int_30_40"),
+                   "shift_right_arith", AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpShiftRightArithmetic",
+                   "v2uint_10_20", "__vec_2__u32", AstFor("v2int_30_40"),
+                   "shift_right_arith", AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpShiftRightArithmetic",
+                   "v2uint_20_10", "__vec_2__i32", AstFor("v2int_40_30"),
+                   "shift_right_arith", AstFor("v2uint_20_10")}));
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_BitwiseAnd,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpBitwiseAnd", "uint_20", "__u32",
+                   "ScalarConstructor{10}", "and", "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpBitwiseAnd", "int_40", "__i32",
+                   "ScalarConstructor{30}", "and", "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpBitwiseAnd", "uint_10", "__u32",
+                   "ScalarConstructor{30}", "and", "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpBitwiseAnd", "uint_10", "__i32",
+                   "ScalarConstructor{30}", "and", "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseAnd", "v2uint_20_10",
+                   "__vec_2__u32", AstFor("v2uint_10_20"), "and",
+                   AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpBitwiseAnd", "v2int_40_30",
+                   "__vec_2__i32", AstFor("v2int_30_40"), "and",
+                   AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseAnd", "v2uint_10_20",
+                   "__vec_2__u32", AstFor("v2int_30_40"), "and",
+                   AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpBitwiseAnd", "v2uint_20_10",
+                   "__vec_2__i32", AstFor("v2int_40_30"), "and",
+                   AstFor("v2uint_20_10")}));
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_BitwiseOr,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpBitwiseOr", "uint_20", "__u32",
+                   "ScalarConstructor{10}", "or", "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpBitwiseOr", "int_40", "__i32",
+                   "ScalarConstructor{30}", "or", "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpBitwiseOr", "uint_10", "__u32",
+                   "ScalarConstructor{30}", "or", "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpBitwiseOr", "uint_10", "__i32",
+                   "ScalarConstructor{30}", "or", "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseOr", "v2uint_20_10",
+                   "__vec_2__u32", AstFor("v2uint_10_20"), "or",
+                   AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpBitwiseOr", "v2int_40_30",
+                   "__vec_2__i32", AstFor("v2int_30_40"), "or",
+                   AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseOr", "v2uint_10_20",
+                   "__vec_2__u32", AstFor("v2int_30_40"), "or",
+                   AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpBitwiseOr", "v2uint_20_10",
+                   "__vec_2__i32", AstFor("v2int_40_30"), "or",
+                   AstFor("v2uint_20_10")}));
+
+INSTANTIATE_TEST_SUITE_P(
+    SpvParserTest_BitwiseXor,
+    SpvBinaryBitTest,
+    ::testing::Values(
+        // Both uint
+        BinaryData{"uint", "uint_10", "OpBitwiseXor", "uint_20", "__u32",
+                   "ScalarConstructor{10}", "xor", "ScalarConstructor{20}"},
+        // Both int
+        BinaryData{"int", "int_30", "OpBitwiseXor", "int_40", "__i32",
+                   "ScalarConstructor{30}", "xor", "ScalarConstructor{40}"},
+        // Mixed, returning uint
+        BinaryData{"uint", "int_30", "OpBitwiseXor", "uint_10", "__u32",
+                   "ScalarConstructor{30}", "xor", "ScalarConstructor{10}"},
+        // Mixed, returning int
+        BinaryData{"int", "int_30", "OpBitwiseXor", "uint_10", "__i32",
+                   "ScalarConstructor{30}", "xor", "ScalarConstructor{10}"},
+        // Both v2uint
+        BinaryData{"v2uint", "v2uint_10_20", "OpBitwiseXor", "v2uint_20_10",
+                   "__vec_2__u32", AstFor("v2uint_10_20"), "xor",
+                   AstFor("v2uint_20_10")},
+        // Both v2int
+        BinaryData{"v2int", "v2int_30_40", "OpBitwiseXor", "v2int_40_30",
+                   "__vec_2__i32", AstFor("v2int_30_40"), "xor",
+                   AstFor("v2int_40_30")},
+        // Mixed, returning v2uint
+        BinaryData{"v2uint", "v2int_30_40", "OpBitwiseXor", "v2uint_10_20",
+                   "__vec_2__u32", AstFor("v2int_30_40"), "xor",
+                   AstFor("v2uint_10_20")},
+        // Mixed, returning v2int
+        BinaryData{"v2int", "v2int_40_30", "OpBitwiseXor", "v2uint_20_10",
+                   "__vec_2__i32", AstFor("v2int_40_30"), "xor",
+                   AstFor("v2uint_20_10")}));
+
+TEST_F(SpvUnaryBitTest, Not_Int_Int) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %int %int_30
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __i32
+    {
+      UnaryOp{
+        not
+        ScalarConstructor{30}
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_Int_Uint) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %int %uint_10
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __i32
+    {
+      As<__i32>{
+        UnaryOp{
+          not
+          ScalarConstructor{10}
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_Uint_Int) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %uint %int_30
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __u32
+    {
+      As<__u32>{
+        UnaryOp{
+          not
+          ScalarConstructor{30}
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_Uint_Uint) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %uint %uint_10
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __u32
+    {
+      UnaryOp{
+        not
+        ScalarConstructor{10}
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_SignedVec_SignedVec) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %v2int %v2int_30_40
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __vec_2__i32
+    {
+      UnaryOp{
+        not
+        TypeConstructor{
+          __vec_2__i32
+          ScalarConstructor{30}
+          ScalarConstructor{40}
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_SignedVec_UnsignedVec) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %v2int %v2uint_10_20
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __vec_2__i32
+    {
+      As<__vec_2__i32>{
+        UnaryOp{
+          not
+          TypeConstructor{
+            __vec_2__u32
+            ScalarConstructor{10}
+            ScalarConstructor{20}
+          }
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+TEST_F(SpvUnaryBitTest, Not_UnsignedVec_SignedVec) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %v2uint %v2int_30_40
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __vec_2__u32
+    {
+      As<__vec_2__u32>{
+        UnaryOp{
+          not
+          TypeConstructor{
+            __vec_2__i32
+            ScalarConstructor{30}
+            ScalarConstructor{40}
+          }
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+TEST_F(SpvUnaryBitTest, Not_UnsignedVec_UnsignedVec) {
+  const auto assembly = CommonTypes() + R"(
+     %100 = OpFunction %void None %voidfn
+     %entry = OpLabel
+     %1 = OpNot %v2uint %v2uint_10_20
+     OpReturn
+     OpFunctionEnd
+  )";
+  auto p = parser(test::Assemble(assembly));
+  ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
+  FunctionEmitter fe(p, *spirv_function(100));
+  EXPECT_TRUE(fe.EmitBody()) << p->error();
+  EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
+  Variable{
+    x_1
+    none
+    __vec_2__u32
+    {
+      UnaryOp{
+        not
+        TypeConstructor{
+          __vec_2__u32
+          ScalarConstructor{10}
+          ScalarConstructor{20}
+        }
+      }
+    }
+  })"))
+      << ToString(fe.ast_body());
+}
+
+// TODO(dneto): OpBitFieldInsert
+// TODO(dneto): OpBitFieldSExtract
+// TODO(dneto): OpBitFieldUExtract
+// TODO(dneto): OpBitReverse
+// TODO(dneto): OpBitCount
+
+// TODO(dneto): OpSRem. Missing from WGSL
+// https://github.com/gpuweb/gpuweb/issues/702
+
+// TODO(dneto): OpFRem. Missing from WGSL
+// https://github.com/gpuweb/gpuweb/issues/702
+
+// TODO(dneto): OpVectorTimesScalar
+// TODO(dneto): OpMatrixTimesScalar
+// TODO(dneto): OpVectorTimesMatrix
+// TODO(dneto): OpMatrixTimesVector
+// TODO(dneto): OpMatrixTimesMatrix
+// TODO(dneto): OpOuterProduct
+// TODO(dneto): OpDot
+// TODO(dneto): OpIAddCarry
+// TODO(dneto): OpISubBorrow
+// TODO(dneto): OpIMulExtended
+// TODO(dneto): OpSMulExtended
+
+}  // namespace
+}  // namespace spirv
+}  // namespace reader
+}  // namespace tint