1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/smml.ll b/test/CodeGen/ARM/smml.ll
new file mode 100644
index 0000000..99df0d4
--- /dev/null
+++ b/test/CodeGen/ARM/smml.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s
+define i32 @f(i32 %a, i32 %b, i32 %c) nounwind readnone ssp {
+entry:
+; CHECK-NOT: smmls
+  %conv4 = zext i32 %a to i64
+  %conv1 = sext i32 %b to i64
+  %conv2 = sext i32 %c to i64
+  %mul = mul nsw i64 %conv2, %conv1
+  %shr5 = lshr i64 %mul, 32
+  %sub = sub nsw i64 %conv4, %shr5
+  %conv3 = trunc i64 %sub to i32
+  ret i32 %conv3
+}