| ; RUN: llc < %s -mtriple=i686-- -no-integrated-as |
| ; PR833 |
| |
| @G = weak global i32 0 ; <i32*> [#uses=3] |
| |
| define i32 @foo(i32 %X) { |
| entry: |
| %X_addr = alloca i32 ; <i32*> [#uses=3] |
| store i32 %X, i32* %X_addr |
| call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,m,1,~{dirflag},~{fpsr},~{flags}"( i32* @G, i32* %X_addr, i32* @G, i32 %X ) |
| %tmp1 = load i32, i32* %X_addr ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |
| define i32 @foo2(i32 %X) { |
| entry: |
| %X_addr = alloca i32 ; <i32*> [#uses=3] |
| store i32 %X, i32* %X_addr |
| call void asm sideeffect "xchg{l} {$0,$1|$1,$0}", "=*m,=*r,1,~{dirflag},~{fpsr},~{flags}"( i32* @G, i32* %X_addr, i32 %X ) |
| %tmp1 = load i32, i32* %X_addr ; <i32> [#uses=1] |
| ret i32 %tmp1 |
| } |
| |