41 lines
1,005 B
LLVM
41 lines
1,005 B
LLVM
; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
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define i32 @test_switch_branches(i32 %a) {
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entry:
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%alloc = alloca i32
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; CHECK-SPIRV: OpSwitch %[[#]] %[[#DEFAULT:]] 1 %[[#CASE1:]] 2 %[[#CASE2:]] 3 %[[#CASE3:]]
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switch i32 %a, label %default [
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i32 1, label %case1
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i32 2, label %case2
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i32 3, label %case3
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]
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; CHECK-SPIRV: %[[#CASE1]] = OpLabel
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case1:
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store i32 1, ptr %alloc
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; CHECK-SPIRV: OpBranch %[[#END:]]
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br label %end
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; CHECK-SPIRV: %[[#CASE2]] = OpLabel
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case2:
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store i32 2, ptr %alloc
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; CHECK-SPIRV: OpBranch %[[#END]]
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br label %end
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; CHECK-SPIRV: %[[#CASE3]] = OpLabel
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case3:
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store i32 3, ptr %alloc
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; CHECK-SPIRV: OpBranch %[[#END]]
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br label %end
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; CHECK-SPIRV: %[[#DEFAULT]] = OpLabel
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default:
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store i32 0, ptr %alloc
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; CHECK-SPIRV: OpBranch %[[#END]]
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br label %end
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; CHECK-SPIRV: %[[#END]] = OpLabel
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end:
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%result = load i32, ptr %alloc
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ret i32 %result
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}
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