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827a1f45c5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36526 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
715 B
LLVM
25 lines
715 B
LLVM
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86
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; PR833
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%G = weak global int 0 ; <int*> [#uses=3]
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implementation ; Functions:
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int %foo(int %X) {
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entry:
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%X_addr = alloca int ; <int*> [#uses=3]
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store int %X, int* %X_addr
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call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,m,1,~{dirflag},~{fpsr},~{flags}"( int* %G, int* %X_addr, int* %G, int %X )
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%tmp1 = load int* %X_addr ; <int> [#uses=1]
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ret int %tmp1
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}
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int %foo2(int %X) {
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entry:
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%X_addr = alloca int ; <int*> [#uses=3]
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store int %X, int* %X_addr
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call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,1,~{dirflag},~{fpsr},~{flags}"( int* %G, int* %X_addr, int %X )
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%tmp1 = load int* %X_addr ; <int> [#uses=1]
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ret int %tmp1
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}
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