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Imported Upstream version 5.18.0.179
Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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34
external/llvm/test/Transforms/InstCombine/readnone-maythrow.ll
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34
external/llvm/test/Transforms/InstCombine/readnone-maythrow.ll
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@ -0,0 +1,34 @@
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; RUN: opt -S -instcombine < %s | FileCheck %s
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declare void @readnone_but_may_throw() readnone
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define void @f_0(i32* %ptr) {
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; CHECK-LABEL: @f_0(
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entry:
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; CHECK: store i32 10, i32* %ptr
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; CHECK-NEXT: call void @readnone_but_may_throw()
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; CHECK-NEXT: store i32 20, i32* %ptr, align 4
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; CHECK: ret void
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store i32 10, i32* %ptr
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call void @readnone_but_may_throw()
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store i32 20, i32* %ptr
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ret void
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}
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define void @f_1(i1 %cond, i32* %ptr) {
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; CHECK-LABEL: @f_1(
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; CHECK: store i32 10, i32* %ptr
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; CHECK-NEXT: call void @readnone_but_may_throw()
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store i32 10, i32* %ptr
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call void @readnone_but_may_throw()
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br i1 %cond, label %left, label %merge
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left:
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store i32 20, i32* %ptr
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br label %merge
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merge:
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ret void
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}
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