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f03bb260c9
of the instruction. Note that this change affects the existing non-atomic load and store instructions; the parser now accepts both forms, and the change is noted in the release notes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137527 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
334 B
LLVM
15 lines
334 B
LLVM
; RUN: opt < %s -instcombine -S | grep {store volatile}
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; RUN: opt < %s -instcombine -S | grep {load volatile}
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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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