52 lines
1.4 KiB
LLVM
52 lines
1.4 KiB
LLVM
; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
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;; NOTE: This does not check for structured control-flow operations.
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; CHECK-DAG: OpName [[FOO:%.+]] "foo"
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; CHECK-DAG: OpName [[BAR:%.+]] "bar"
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; CHECK-DAG: [[I32:%.+]] = OpTypeInt 32
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; CHECK-DAG: [[BOOL:%.+]] = OpTypeBool
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declare i32 @foo()
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declare i32 @bar()
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define i32 @test_if(i32 %a, i32 %b) {
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entry:
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%cond = icmp eq i32 %a, %b
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br i1 %cond, label %true_label, label %false_label
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true_label:
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%v1 = call i32 @foo()
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br label %merge_label
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false_label:
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%v2 = call i32 @bar()
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br label %merge_label
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merge_label:
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%v = phi i32 [%v1, %true_label], [%v2, %false_label]
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ret i32 %v
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}
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; CHECK: OpFunction
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; CHECK: [[A:%.+]] = OpFunctionParameter [[I32]]
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; CHECK: [[B:%.+]] = OpFunctionParameter [[I32]]
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; CHECK: [[ENTRY:%.+]] = OpLabel
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; CHECK: [[COND:%.+]] = OpIEqual [[BOOL]] [[A]] [[B]]
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; CHECK: OpBranchConditional [[COND]] [[TRUE_LABEL:%.+]] [[FALSE_LABEL:%.+]]
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; CHECK: [[TRUE_LABEL]] = OpLabel
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; CHECK: [[V1:%.+]] = OpFunctionCall [[I32]] [[FOO]]
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; CHECK: OpBranch [[MERGE_LABEL:%.+]]
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; CHECK: [[FALSE_LABEL]] = OpLabel
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; CHECK: [[V2:%.+]] = OpFunctionCall [[I32]] [[BAR]]
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; CHECK: OpBranch [[MERGE_LABEL]]
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; CHECK: [[MERGE_LABEL]] = OpLabel
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; CHECK-NEXT: [[V:%.+]] = OpPhi [[I32]] [[V1]] [[TRUE_LABEL]] [[V2]] [[FALSE_LABEL]]
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; CHECK: OpReturnValue [[V]]
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; CHECK-NEXT: OpFunctionEnd
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