src/tint/lang/spirv/reader/parser/constant_test.cc

// Copyright 2023 The Dawn & Tint Authors
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#include "src/tint/lang/spirv/reader/parser/helper_test.h"

namespace tint::spirv::reader {
namespace {

TEST_F(SpirvParserTest, Constant_Bool) {
    EXPECT_IR(R"(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
       %void = OpTypeVoid
       %bool = OpTypeBool
       %true = OpConstantTrue %bool
      %false = OpConstantFalse %bool
       %null = OpConstantNull %bool
    %void_fn = OpTypeFunction %void
    %fn_type = OpTypeFunction %void %bool

       %main = OpFunction %void None %void_fn
 %main_start = OpLabel
               OpReturn
               OpFunctionEnd

        %foo = OpFunction %void None %fn_type
      %param = OpFunctionParameter %bool
  %foo_start = OpLabel
               OpReturn
               OpFunctionEnd

        %bar = OpFunction %void None %void_fn
  %bar_start = OpLabel
          %1 = OpFunctionCall %void %foo %true
          %2 = OpFunctionCall %void %foo %false
          %3 = OpFunctionCall %void %foo %null
               OpReturn
               OpFunctionEnd
)",
              R"(
%4 = func():void -> %b3 {
  %b3 = block {
    %5:void = call %2, true
    %6:void = call %2, false
    %7:void = call %2, false
    ret
  }
}
)");
}

TEST_F(SpirvParserTest, Constant_I32) {
    EXPECT_IR(R"(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
       %void = OpTypeVoid
        %i32 = OpTypeInt 32 1
      %i32_0 = OpConstant %i32 0
      %i32_1 = OpConstant %i32 1
     %i32_n1 = OpConstant %i32 -1
    %i32_max = OpConstant %i32 2147483647
    %i32_min = OpConstant %i32 -2147483648
   %i32_null = OpConstantNull %i32
    %void_fn = OpTypeFunction %void
    %fn_type = OpTypeFunction %void %i32

       %main = OpFunction %void None %void_fn
 %main_start = OpLabel
               OpReturn
               OpFunctionEnd

        %foo = OpFunction %void None %fn_type
      %param = OpFunctionParameter %i32
  %foo_start = OpLabel
               OpReturn
               OpFunctionEnd

        %bar = OpFunction %void None %void_fn
  %bar_start = OpLabel
          %1 = OpFunctionCall %void %foo %i32_0
          %2 = OpFunctionCall %void %foo %i32_1
          %3 = OpFunctionCall %void %foo %i32_n1
          %4 = OpFunctionCall %void %foo %i32_max
          %5 = OpFunctionCall %void %foo %i32_min
          %6 = OpFunctionCall %void %foo %i32_null
               OpReturn
               OpFunctionEnd
)",
              R"(
%4 = func():void -> %b3 {
  %b3 = block {
    %5:void = call %2, 0i
    %6:void = call %2, 1i
    %7:void = call %2, -1i
    %8:void = call %2, 2147483647i
    %9:void = call %2, -2147483648i
    %10:void = call %2, 0i
    ret
  }
}
)");
}

TEST_F(SpirvParserTest, Constant_U32) {
    EXPECT_IR(R"(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
       %void = OpTypeVoid
        %u32 = OpTypeInt 32 0
      %u32_0 = OpConstant %u32 0
      %u32_1 = OpConstant %u32 1
    %u32_max = OpConstant %u32 4294967295
    %u32_null = OpConstantNull %u32
    %void_fn = OpTypeFunction %void
    %fn_type = OpTypeFunction %void %u32

       %main = OpFunction %void None %void_fn
 %main_start = OpLabel
               OpReturn
               OpFunctionEnd

        %foo = OpFunction %void None %fn_type
      %param = OpFunctionParameter %u32
  %foo_start = OpLabel
               OpReturn
               OpFunctionEnd

        %bar = OpFunction %void None %void_fn
  %bar_start = OpLabel
          %1 = OpFunctionCall %void %foo %u32_0
          %2 = OpFunctionCall %void %foo %u32_1
          %3 = OpFunctionCall %void %foo %u32_max
          %4 = OpFunctionCall %void %foo %u32_null
               OpReturn
               OpFunctionEnd
)",
              R"(
%4 = func():void -> %b3 {
  %b3 = block {
    %5:void = call %2, 0u
    %6:void = call %2, 1u
    %7:void = call %2, 4294967295u
    %8:void = call %2, 0u
    ret
  }
}
)");
}

TEST_F(SpirvParserTest, Constant_F16) {
    EXPECT_IR(R"(
               OpCapability Shader
               OpCapability Float16
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
       %void = OpTypeVoid
        %f16 = OpTypeFloat 16
      %f16_0 = OpConstant %f16 0
      %f16_1 = OpConstant %f16 1
    %f16_max = OpConstant %f16 0x1.ffcp+15
    %f16_min = OpConstant %f16 -0x1.ffcp+15
 %f16_denorm = OpConstant %f16 0x0.004p-14
   %f16_null = OpConstantNull %f16
    %void_fn = OpTypeFunction %void
    %fn_type = OpTypeFunction %void %f16

       %main = OpFunction %void None %void_fn
 %main_start = OpLabel
               OpReturn
               OpFunctionEnd

        %foo = OpFunction %void None %fn_type
      %param = OpFunctionParameter %f16
  %foo_start = OpLabel
               OpReturn
               OpFunctionEnd

        %bar = OpFunction %void None %void_fn
  %bar_start = OpLabel
          %1 = OpFunctionCall %void %foo %f16_0
          %2 = OpFunctionCall %void %foo %f16_1
          %3 = OpFunctionCall %void %foo %f16_max
          %4 = OpFunctionCall %void %foo %f16_min
          %5 = OpFunctionCall %void %foo %f16_denorm
          %6 = OpFunctionCall %void %foo %f16_null
               OpReturn
               OpFunctionEnd
)",
              R"(
%4 = func():void -> %b3 {
  %b3 = block {
    %5:void = call %2, 0.0h
    %6:void = call %2, 1.0h
    %7:void = call %2, 65504.0h
    %8:void = call %2, -65504.0h
    %9:void = call %2, 0.00000005960464477539h
    %10:void = call %2, 0.0h
    ret
  }
}
)");
}

TEST_F(SpirvParserTest, Constant_F32) {
    EXPECT_IR(R"(
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
       %void = OpTypeVoid
        %f32 = OpTypeFloat 32
      %f32_0 = OpConstant %f32 0
      %f32_1 = OpConstant %f32 1
    %f32_max = OpConstant %f32 0x1.fffffep+127
    %f32_min = OpConstant %f32 -0x1.fffffep+127
 %f32_denorm = OpConstant %f32 0x0.000002p-126
    %f32_null = OpConstantNull %f32
    %void_fn = OpTypeFunction %void
    %fn_type = OpTypeFunction %void %f32

       %main = OpFunction %void None %void_fn
 %main_start = OpLabel
               OpReturn
               OpFunctionEnd

        %foo = OpFunction %void None %fn_type
      %param = OpFunctionParameter %f32
  %foo_start = OpLabel
               OpReturn
               OpFunctionEnd

        %bar = OpFunction %void None %void_fn
  %bar_start = OpLabel
          %1 = OpFunctionCall %void %foo %f32_0
          %2 = OpFunctionCall %void %foo %f32_1
          %3 = OpFunctionCall %void %foo %f32_max
          %4 = OpFunctionCall %void %foo %f32_min
          %5 = OpFunctionCall %void %foo %f32_denorm
          %6 = OpFunctionCall %void %foo %f32_null
               OpReturn
               OpFunctionEnd
)",
              R"(
%4 = func():void -> %b3 {
  %b3 = block {
    %5:void = call %2, 0.0f
    %6:void = call %2, 1.0f
    %7:void = call %2, 340282346638528859811704183484516925440.0f
    %8:void = call %2, -340282346638528859811704183484516925440.0f
    %9:void = call %2, 1.40129846e-45f
    %10:void = call %2, 0.0f
    ret
  }
}
)");
}

}  // namespace
}  // namespace tint::spirv::reader