| // Copyright 2025 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/spirv/reader/parser/helper_test.h" |
| |
| namespace tint::spirv::reader { |
| namespace { |
| |
| TEST_F(SpirvParserTest, Branch_Forward) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpBranch %bb_2 |
| %bb_2 = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpBranch %bb_3 |
| %bb_3 = OpLabel |
| %3 = OpCopyObject %i32 %three |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| %3:i32 = let 2i |
| %4:i32 = let 3i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpSelectionMerge %bb_merge None |
| OpBranchConditional %true %bb_true %bb_false |
| %bb_true = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpReturn |
| %bb_false = OpLabel |
| %3 = OpCopyObject %i32 %three |
| OpBranch %bb_merge |
| %bb_merge = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %3:i32 = let 2i |
| ret |
| } |
| $B3: { # false |
| %4:i32 = let 3i |
| exit_if # if_1 |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_TrueToMerge) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpSelectionMerge %bb_merge None |
| OpBranchConditional %true %bb_merge %bb_false |
| %bb_false = OpLabel |
| %3 = OpCopyObject %i32 %three |
| OpBranch %bb_merge |
| %bb_merge = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| exit_if # if_1 |
| } |
| $B3: { # false |
| %3:i32 = let 3i |
| exit_if # if_1 |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_FalseToMerge) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpSelectionMerge %bb_merge None |
| OpBranchConditional %true %bb_true %bb_merge |
| %bb_true = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpReturn |
| %bb_merge = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| if true [t: $B2] { # if_1 |
| $B2: { # true |
| %3:i32 = let 2i |
| ret |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_TrueMatchesFalse) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpBranchConditional %true %bb_true %bb_true |
| %bb_true = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| %3:bool = or true, true |
| if %3 [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %4:i32 = let 2i |
| ret |
| } |
| $B3: { # false |
| unreachable |
| } |
| } |
| unreachable |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_Nested) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpSelectionMerge %bb_merge None |
| OpBranchConditional %true %bb_true %bb_merge |
| %bb_true = OpLabel |
| OpBranchConditional %true %99 %bb_merge |
| %99 = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpBranch %bb_merge |
| %bb_merge = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| if true [t: $B2] { # if_1 |
| $B2: { # true |
| if true [t: $B3] { # if_2 |
| $B3: { # true |
| %3:i32 = let 2i |
| exit_if # if_2 |
| } |
| } |
| exit_if # if_1 |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_Hoisting) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpSelectionMerge %bb_merge None |
| OpBranchConditional %true %bb_true %bb_false |
| %bb_true = OpLabel |
| %2 = OpCopyObject %i32 %two |
| OpBranch %bb_merge |
| %bb_false = OpLabel |
| OpReturn |
| %bb_merge = OpLabel |
| %3 = OpIAdd %i32 %2 %2 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| %3:i32 = if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %4:i32 = let 2i |
| exit_if %4 # if_1 |
| } |
| $B3: { # false |
| ret |
| } |
| } |
| %5:i32 = spirv.add<i32> %3, %3 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_HoistingIntoNested) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %502 = OpLabel |
| OpSelectionMerge %50 None |
| OpBranchConditional %true %20 %30 |
| %20 = OpLabel |
| %200 = OpCopyObject %i32 %two |
| OpBranch %50 |
| %30 = OpLabel |
| OpReturn |
| %50 = OpLabel |
| OpSelectionMerge %60 None |
| OpBranchConditional %true %70 %80 |
| %70 = OpLabel |
| %201 = OpIAdd %i32 %200 %200 |
| OpBranch %60 |
| %80 = OpLabel |
| OpReturn |
| %60 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %3:i32 = let 2i |
| exit_if %3 # if_1 |
| } |
| $B3: { # false |
| ret |
| } |
| } |
| if true [t: $B4, f: $B5] { # if_2 |
| $B4: { # true |
| %4:i32 = spirv.add<i32> %2, %2 |
| exit_if # if_2 |
| } |
| $B5: { # false |
| ret |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_HoistingIntoParentNested) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %1 = OpLabel |
| OpSelectionMerge %90 None |
| OpBranchConditional %true %10 %15 |
| %15 = OpLabel |
| OpReturn |
| %10 = OpLabel |
| OpSelectionMerge %50 None |
| OpBranchConditional %true %20 %30 |
| %20 = OpLabel |
| %200 = OpCopyObject %i32 %two |
| OpBranch %50 |
| %30 = OpLabel |
| OpReturn |
| %50 = OpLabel |
| OpSelectionMerge %60 None |
| OpBranchConditional %true %70 %80 |
| %70 = OpLabel |
| %201 = OpIAdd %i32 %200 %200 |
| OpBranch %60 |
| %80 = OpLabel |
| OpReturn |
| %60 = OpLabel |
| OpBranch %90 |
| %90 = OpLabel |
| %202 = OpIAdd %i32 %200 %200 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %3:i32 = if true [t: $B4, f: $B5] { # if_2 |
| $B4: { # true |
| %4:i32 = let 2i |
| exit_if %4 # if_2 |
| } |
| $B5: { # false |
| ret |
| } |
| } |
| if true [t: $B6, f: $B7] { # if_3 |
| $B6: { # true |
| %5:i32 = spirv.add<i32> %3, %3 |
| exit_if # if_3 |
| } |
| $B7: { # false |
| ret |
| } |
| } |
| exit_if %3 # if_1 |
| } |
| $B3: { # false |
| ret |
| } |
| } |
| %6:i32 = spirv.add<i32> %2, %2 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_DuplicateTrue_UsedValue) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %main_start = OpLabel |
| %1 = OpCopyObject %i32 %one |
| OpBranchConditional %true %bb_true %bb_true |
| %bb_true = OpLabel |
| %2 = OpCopyObject %i32 %two |
| %22 = OpCopyObject %i32 %2 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:i32 = let 1i |
| %3:bool = or true, true |
| if %3 [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| %4:i32 = let 2i |
| %5:i32 = let %4 |
| ret |
| } |
| $B3: { # false |
| unreachable |
| } |
| } |
| unreachable |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, BranchConditional_DuplicateTrue_Premerge) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %12 = OpLabel |
| OpSelectionMerge %13 None |
| OpBranchConditional %true %14 %15 |
| %14 = OpLabel |
| OpBranch %16 |
| %15 = OpLabel |
| OpBranch %16 |
| %16 = OpLabel |
| %1 = OpCopyObject %i32 %one |
| %2 = OpCopyObject %i32 %1 |
| OpBranch %13 |
| %13 = OpLabel |
| %3 = OpCopyObject %i32 %1 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| if true [t: $B2, f: $B3] { # if_1 |
| $B2: { # true |
| exit_if # if_1 |
| } |
| $B3: { # false |
| exit_if # if_1 |
| } |
| } |
| %2:i32 = if true [t: $B4, f: $B5] { # if_2 |
| $B4: { # true |
| %3:i32 = let 1i |
| %4:i32 = let %3 |
| exit_if %3 # if_2 |
| } |
| $B5: { # false |
| unreachable |
| } |
| } |
| %5:i32 = let %2 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %98 20 %20 |
| %20 = OpLabel |
| %21 = OpIAdd %i32 %one %two |
| OpBranch %99 |
| %98 = OpLabel |
| %22 = OpIAdd %i32 %two %two |
| OpBranch %99 |
| %99 = OpLabel |
| %23 = OpIAdd %i32 %three %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2i [c: (default, $B2), c: (20i, $B3)] { # switch_1 |
| $B2: { # case |
| %2:i32 = spirv.add<i32> 2i, 2i |
| exit_switch # switch_1 |
| } |
| $B3: { # case |
| %3:i32 = spirv.add<i32> 1i, 2i |
| exit_switch # switch_1 |
| } |
| } |
| %4:i32 = spirv.add<i32> 3i, 2i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_DefaultIsMerge) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %99 20 %20 |
| %20 = OpLabel |
| %21 = OpIAdd %i32 %two %two |
| OpBranch %99 |
| %99 = OpLabel |
| %98 = OpIAdd %i32 %two %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2i [c: (default, $B2), c: (20i, $B3)] { # switch_1 |
| $B2: { # case |
| exit_switch # switch_1 |
| } |
| $B3: { # case |
| %2:i32 = spirv.add<i32> 2i, 2i |
| exit_switch # switch_1 |
| } |
| } |
| %3:i32 = spirv.add<i32> 2i, 2i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_DefaultIsCase) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %20 20 %20 |
| %20 = OpLabel |
| %21 = OpIAdd %i32 %two %two |
| OpBranch %99 |
| %99 = OpLabel |
| %98 = OpIAdd %i32 %two %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2i [c: (20i default, $B2)] { # switch_1 |
| $B2: { # case |
| %2:i32 = spirv.add<i32> 2i, 2i |
| exit_switch # switch_1 |
| } |
| } |
| %3:i32 = spirv.add<i32> 2i, 2i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_MuliselectorCase) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %two = OpConstant %i32 2 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %50 20 %20 30 %20 |
| %20 = OpLabel |
| %21 = OpIAdd %i32 %two %two |
| OpBranch %99 |
| %50 = OpLabel |
| OpReturn |
| %99 = OpLabel |
| %98 = OpIAdd %i32 %two %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2i [c: (default, $B2), c: (20i 30i, $B3)] { # switch_1 |
| $B2: { # case |
| ret |
| } |
| $B3: { # case |
| %2:i32 = spirv.add<i32> 2i, 2i |
| exit_switch # switch_1 |
| } |
| } |
| %3:i32 = spirv.add<i32> 2i, 2i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_OnlyDefault) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %20 |
| %20 = OpLabel |
| %51 = OpIAdd %i32 %one %two |
| OpBranch %99 |
| %99 = OpLabel |
| %52 = OpIAdd %i32 %two %two |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2i [c: (default, $B2)] { # switch_1 |
| $B2: { # case |
| %2:i32 = spirv.add<i32> 1i, 2i |
| exit_switch # switch_1 |
| } |
| } |
| %3:i32 = spirv.add<i32> 2i, 2i |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_IfBreak) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %u32 = OpTypeInt 32 0 |
| %bool = OpTypeBool |
| %one = OpConstant %u32 1 |
| %two = OpConstant %u32 2 |
| %three = OpConstant %u32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %50 20 %20 50 %50 |
| %99 = OpLabel |
| OpReturn |
| %20 = OpLabel |
| OpSelectionMerge %49 None |
| OpBranchConditional %true %99 %40 ; break-if |
| %40 = OpLabel |
| OpBranch %49 |
| %49 = OpLabel |
| OpBranch %99 |
| %50 = OpLabel |
| OpSelectionMerge %79 None |
| OpBranchConditional %true %60 %99 ; break-unless |
| %60 = OpLabel |
| OpBranch %79 |
| %79 = OpLabel ; dominated by 60, so must follow 60 |
| OpBranch %99 |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2u [c: (50u default, $B2), c: (20u, $B3)] { # switch_1 |
| $B2: { # case |
| if true [t: $B4, f: $B5] { # if_1 |
| $B4: { # true |
| exit_if # if_1 |
| } |
| $B5: { # false |
| exit_switch # switch_1 |
| } |
| } |
| exit_switch # switch_1 |
| } |
| $B3: { # case |
| if true [t: $B6, f: $B7] { # if_2 |
| $B6: { # true |
| exit_switch # switch_1 |
| } |
| $B7: { # false |
| exit_if # if_2 |
| } |
| } |
| exit_switch # switch_1 |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_Nest_If_In_Case) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %u32 = OpTypeInt 32 0 |
| %bool = OpTypeBool |
| %one = OpConstant %u32 1 |
| %two = OpConstant %u32 2 |
| %three = OpConstant %u32 3 |
| %true = OpConstantTrue %bool |
| %false = OpConstantFalse %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %50 20 %20 50 %50 |
| %99 = OpLabel |
| OpReturn |
| %20 = OpLabel |
| OpSelectionMerge %49 None |
| OpBranchConditional %true %30 %40 |
| %49 = OpLabel |
| OpBranch %99 |
| %30 = OpLabel |
| OpBranch %49 |
| %40 = OpLabel |
| OpBranch %49 |
| %50 = OpLabel |
| OpSelectionMerge %79 None |
| OpBranchConditional %false %60 %70 |
| %79 = OpLabel |
| OpBranch %99 |
| %60 = OpLabel |
| OpBranch %79 |
| %70 = OpLabel |
| OpBranch %79 |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| switch 2u [c: (50u default, $B2), c: (20u, $B3)] { # switch_1 |
| $B2: { # case |
| if false [t: $B4, f: $B5] { # if_1 |
| $B4: { # true |
| exit_if # if_1 |
| } |
| $B5: { # false |
| exit_if # if_1 |
| } |
| } |
| exit_switch # switch_1 |
| } |
| $B3: { # case |
| if true [t: $B6, f: $B7] { # if_2 |
| $B6: { # true |
| exit_if # if_2 |
| } |
| $B7: { # false |
| exit_if # if_2 |
| } |
| } |
| exit_switch # switch_1 |
| } |
| } |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_HoistFromDefault) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %u32 = OpTypeInt 32 0 |
| %bool = OpTypeBool |
| %one = OpConstant %u32 1 |
| %two = OpConstant %u32 2 |
| %three = OpConstant %u32 3 |
| %true = OpConstantTrue %bool |
| %false = OpConstantFalse %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %20 |
| %20 = OpLabel |
| %100 = OpCopyObject %u32 %one |
| OpBranch %99 |
| %99 = OpLabel |
| %102 = OpIAdd %u32 %100 %100 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:u32 = switch 2u [c: (default, $B2)] { # switch_1 |
| $B2: { # case |
| %3:u32 = let 1u |
| exit_switch %3 # switch_1 |
| } |
| } |
| %4:u32 = spirv.add<u32> %2, %2 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, Switch_HoistFromCase) { |
| EXPECT_IR(R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %u32 = OpTypeInt 32 0 |
| %bool = OpTypeBool |
| %one = OpConstant %u32 1 |
| %two = OpConstant %u32 2 |
| %three = OpConstant %u32 3 |
| %true = OpConstantTrue %bool |
| %false = OpConstantFalse %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %50 20 %20 |
| %20 = OpLabel |
| %100 = OpCopyObject %u32 %one |
| OpBranch %99 |
| %50 = OpLabel |
| OpReturn |
| %99 = OpLabel |
| %102 = OpIAdd %u32 %100 %100 |
| OpReturn |
| OpFunctionEnd |
| )", |
| R"( |
| %main = @compute @workgroup_size(1u, 1u, 1u) func():void { |
| $B1: { |
| %2:u32 = switch 2u [c: (default, $B2), c: (20u, $B3)] { # switch_1 |
| $B2: { # case |
| ret |
| } |
| $B3: { # case |
| %3:u32 = let 1u |
| exit_switch %3 # switch_1 |
| } |
| } |
| %4:u32 = spirv.add<u32> %2, %2 |
| ret |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(SpirvParserTest, DISABLED_Switch_Fallthrough) { |
| auto str = R"( |
| OpCapability Shader |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint GLCompute %main "main" |
| OpExecutionMode %main LocalSize 1 1 1 |
| %void = OpTypeVoid |
| %i32 = OpTypeInt 32 1 |
| %bool = OpTypeBool |
| %one = OpConstant %i32 1 |
| %two = OpConstant %i32 2 |
| %three = OpConstant %i32 3 |
| %true = OpConstantTrue %bool |
| %ep_type = OpTypeFunction %void |
| %main = OpFunction %void None %ep_type |
| %10 = OpLabel |
| OpSelectionMerge %99 None |
| OpSwitch %two %80 20 %20 30 %30 |
| %20 = OpLabel |
| %50 = OpIAdd %i32 %one %two |
| OpBranch %30 ; fall through |
| %30 = OpLabel |
| %51 = OpIAdd %i32 %two %two |
| OpBranch %99 |
| %80 = OpLabel |
| %52 = OpIAdd %i32 %three %two |
| OpBranch %99 |
| %99 = OpLabel |
| %53 = OpIAdd %i32 %one %three |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| auto result = Run(str); |
| ASSERT_FALSE(result == Success); |
| EXPECT_EQ(result.Failure().reason.Str(), "FALLTHROUGH"); |
| } |
| |
| } // namespace |
| } // namespace tint::spirv::reader |
