a7c1f46733
This is not strictly necessary as now selection regions can yield values, however splitting the block simplifies the code as it avoids unnecessary values being sunk just to be later yielded.
70 lines
2.8 KiB
Plaintext
70 lines
2.8 KiB
Plaintext
; RUN: %if spirv-tools %{ spirv-as --target-env spv1.0 %s -o - | mlir-translate --deserialize-spirv - -o - | FileCheck %s %}
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; This test is analogous to selection.spv but tests switch op.
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; CHECK: spirv.module Logical GLSL450 requires #spirv.vce<v1.0, [Shader], []> {
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; CHECK-NEXT: spirv.func @switch({{%.*}}: si32) "None" {
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; CHECK: {{%.*}} = spirv.Constant 1.000000e+00 : f32
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; CHECK-NEXT: {{%.*}} = spirv.Undef : vector<3xf32>
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; CHECK-NEXT: {{%.*}} = spirv.CompositeInsert {{%.*}}, {{%.*}}[0 : i32] : f32 into vector<3xf32>
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; CHECK-NEXT: spirv.Branch ^[[bb:.+]]
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; CHECK-NEXT: ^[[bb:.+]]:
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; CHECK-NEXT: {{%.*}} = spirv.mlir.selection -> vector<3xf32> {
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; CHECK-NEXT: spirv.Switch {{%.*}} : si32, [
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; CHECK-NEXT: default: ^[[bb:.+]]({{%.*}}: vector<3xf32>),
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; CHECK-NEXT: 0: ^[[bb:.+]]({{%.*}}: vector<3xf32>),
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; CHECK-NEXT: 1: ^[[bb:.+]]({{%.*}}: vector<3xf32>)
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; CHECK: ^[[bb:.+]]({{%.*}}: vector<3xf32>):
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; CHECK: spirv.Branch ^[[bb:.+]]({{%.*}}: vector<3xf32>)
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; CHECK-NEXT: ^[[bb:.+]]({{%.*}}: vector<3xf32>):
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; CHECK: spirv.Branch ^[[bb:.+]]({{%.*}}: vector<3xf32>)
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; CHECK-NEXT: ^[[bb:.+]]({{%.*}}: vector<3xf32>):
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; CHECK-NEXT: spirv.mlir.merge %8 : vector<3xf32>
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; CHECK-NEXT }
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; CHECK: spirv.Return
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; CHECK-NEXT: }
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; CHECK: }
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %main "main"
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OpExecutionMode %main LocalSize 1 1 1
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OpName %switch "switch"
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OpName %main "main"
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%void = OpTypeVoid
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%int = OpTypeInt 32 1
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%1 = OpTypeFunction %void %int
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%float = OpTypeFloat 32
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%float_1 = OpConstant %float 1
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%v3float = OpTypeVector %float 3
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%9 = OpUndef %v3float
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%float_3 = OpConstant %float 3
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%float_4 = OpConstant %float 4
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%float_2 = OpConstant %float 2
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%25 = OpTypeFunction %void
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%switch = OpFunction %void None %1
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%5 = OpFunctionParameter %int
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%6 = OpLabel
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OpBranch %12
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%12 = OpLabel
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%11 = OpCompositeInsert %v3float %float_1 %9 0
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OpSelectionMerge %15 None
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OpSwitch %5 %15 0 %13 1 %14
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%13 = OpLabel
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%16 = OpPhi %v3float %11 %12
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%18 = OpCompositeInsert %v3float %float_3 %16 1
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OpBranch %15
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%14 = OpLabel
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%19 = OpPhi %v3float %11 %12
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%21 = OpCompositeInsert %v3float %float_4 %19 1
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OpBranch %15
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%15 = OpLabel
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%22 = OpPhi %v3float %21 %14 %18 %13 %11 %12
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%24 = OpCompositeInsert %v3float %float_2 %22 2
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %25
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%27 = OpLabel
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OpReturn
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OpFunctionEnd
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