39 lines
892 B
LLVM
39 lines
892 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
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declare void @foo()
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; FIXME: We can replace %phi with true.
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define void @test_01(i1 %cond) {
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; CHECK-LABEL: @test_01(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOT:%.*]] = select i1 [[COND:%.*]], i1 true, i1 undef
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; CHECK-NEXT: br i1 [[DOT]], label [[RET_1:%.*]], label [[COMMON_RET:%.*]]
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; CHECK: common.ret:
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; CHECK-NEXT: ret void
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; CHECK: ret_1:
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: br label [[COMMON_RET]]
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;
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entry:
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br i1 %cond, label %if.true, label %if.false
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if.true:
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br label %merge
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if.false:
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br label %merge
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merge:
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%phi = phi i1 [true, %if.true], [undef, %if.false]
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br i1 %phi, label %ret_1, label %ret_2
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ret_1:
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call void @foo()
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ret void
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ret_2:
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ret void
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}
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