ab323eb0c6
Replacing the argument with a no-op bitcast violates a verifier constraint, even if only temporarily. Any replacement based on it would result in a violation even after the copy has been removed. Fixes https://github.com/llvm/llvm-project/issues/153013.
26 lines
775 B
LLVM
26 lines
775 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S -passes=ipsccp < %s | FileCheck %s
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define void @test() {
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; CHECK-LABEL: define void @test() {
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; CHECK-NEXT: [[A:%.*]] = alloca [4 x i16], align 2
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[A]], inttoptr (i64 -1 to ptr)
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; CHECK-NEXT: br i1 [[CMP]], label %[[IF:.*]], label %[[EXIT:.*]]
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; CHECK: [[IF]]:
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[A]])
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; CHECK-NEXT: br label %[[EXIT]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: ret void
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;
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%a = alloca [4 x i16]
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%cmp = icmp eq ptr %a, inttoptr (i64 -1 to ptr)
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br i1 %cmp, label %if, label %exit
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if:
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call void @llvm.lifetime.start.p0(ptr %a)
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br label %exit
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exit:
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ret void
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}
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