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a54c7eb157
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41759 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
370 B
LLVM
15 lines
370 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {volatile store}
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {volatile load}
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@x = weak global i32 0 ; <i32*> [#uses=2]
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define void @self_assign_1() {
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entry:
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%tmp = volatile load i32* @x ; <i32> [#uses=1]
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volatile store i32 %tmp, i32* @x
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br label %return
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return: ; preds = %entry
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ret void
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}
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