1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/X86/xmulo.ll b/test/CodeGen/X86/xmulo.ll
new file mode 100644
index 0000000..486dafe
--- /dev/null
+++ b/test/CodeGen/X86/xmulo.ll
@@ -0,0 +1,50 @@
+; RUN: llc %s -o - | FileCheck %s
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
+target triple = "i386-apple-macosx10.8.0"
+
+declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
+declare i32 @printf(i8*, ...)
+
+@.str = private unnamed_addr constant [10 x i8] c"%llx, %d\0A\00", align 1
+
+define i32 @t1() nounwind {
+; CHECK: t1:
+; CHECK:  movl $0, 12(%esp)
+; CHECK:  movl $0, 8(%esp)
+; CHECK:  movl $72, 4(%esp)
+
+    %1 = call {i64, i1} @llvm.umul.with.overflow.i64(i64 9, i64 8)
+    %2 = extractvalue {i64, i1} %1, 0
+    %3 = extractvalue {i64, i1} %1, 1
+    %4 = zext i1 %3 to i32
+    %5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.str, i32 0, i32 0), i64 %2, i32 %4)
+    ret i32 0
+}
+
+define i32 @t2() nounwind {
+; CHECK: t2:
+; CHECK:  movl $0, 12(%esp)
+; CHECK:  movl $0, 8(%esp)
+; CHECK:  movl $0, 4(%esp)
+
+    %1 = call {i64, i1} @llvm.umul.with.overflow.i64(i64 9, i64 0)
+    %2 = extractvalue {i64, i1} %1, 0
+    %3 = extractvalue {i64, i1} %1, 1
+    %4 = zext i1 %3 to i32
+    %5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.str, i32 0, i32 0), i64 %2, i32 %4)
+    ret i32 0
+}
+
+define i32 @t3() nounwind {
+; CHECK: t3:
+; CHECK:  movl $1, 12(%esp)
+; CHECK:  movl $-1, 8(%esp)
+; CHECK:  movl $-9, 4(%esp)
+
+    %1 = call {i64, i1} @llvm.umul.with.overflow.i64(i64 9, i64 -1)
+    %2 = extractvalue {i64, i1} %1, 0
+    %3 = extractvalue {i64, i1} %1, 1
+    %4 = zext i1 %3 to i32
+    %5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([10 x i8]* @.str, i32 0, i32 0), i64 %2, i32 %4)
+    ret i32 0
+}