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Diffstat (limited to 'test/CodeGen/X86/2006-07-20-InlineAsm.ll')
| -rw-r--r-- | test/CodeGen/X86/2006-07-20-InlineAsm.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2006-07-20-InlineAsm.ll b/test/CodeGen/X86/2006-07-20-InlineAsm.ll new file mode 100644 index 000000000000..08510a8a6528 --- /dev/null +++ b/test/CodeGen/X86/2006-07-20-InlineAsm.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86 +; 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* %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* %X_addr ; <i32> [#uses=1] + ret i32 %tmp1 +} + |