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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/X86/2006-07-20-InlineAsm.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/X86/2006-07-20-InlineAsm.ll')
-rw-r--r--test/CodeGen/X86/2006-07-20-InlineAsm.ll23
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 0000000..cac47cd
--- /dev/null
+++ b/test/CodeGen/X86/2006-07-20-InlineAsm.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -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
+}
+