Test case for X86 inline asm constraint 'I'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35130 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGen/X86/2007-03-16-InlineAsm.ll b/test/CodeGen/X86/2007-03-16-InlineAsm.ll
new file mode 100644
index 0000000000..6b64e43851
--- /dev/null
+++ b/test/CodeGen/X86/2007-03-16-InlineAsm.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | llc -march=x86
+
+; ModuleID = 'a.bc'
+implementation   ; Functions:
+
+define i32 @foo(i32 %A, i32 %B) {
+entry:
+	%A_addr = alloca i32		; <i32*> [#uses=2]
+	%B_addr = alloca i32		; <i32*> [#uses=1]
+	%retval = alloca i32, align 4		; <i32*> [#uses=2]
+	%tmp = alloca i32, align 4		; <i32*> [#uses=2]
+	%ret = alloca i32, align 4		; <i32*> [#uses=2]
+	"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store i32 %A, i32* %A_addr
+	store i32 %B, i32* %B_addr
+	%tmp1 = load i32* %A_addr		; <i32> [#uses=1]
+	%tmp2 = call i32 asm "roll $1,$0", "=r,I,0,~{dirflag},~{fpsr},~{flags},~{cc}"( i32 7, i32 %tmp1 )		; <i32> [#uses=1]
+	store i32 %tmp2, i32* %ret
+	%tmp3 = load i32* %ret		; <i32> [#uses=1]
+	store i32 %tmp3, i32* %tmp
+	%tmp4 = load i32* %tmp		; <i32> [#uses=1]
+	store i32 %tmp4, i32* %retval
+	br label %return
+
+return:		; preds = %entry
+	%retval5 = load i32* %retval		; <i32> [#uses=1]
+	ret i32 %retval5
+}