Make sure mul by constant 5 is turned into a s4addq

llvm-svn: 27365

1 files changed, 16 insertions, 0 deletions

diff --git a/llvm/test/Regression/CodeGen/Alpha/mul5.ll b/llvm/test/Regression/CodeGen/Alpha/mul5.ll
new file mode 100644
index 00000000000..cb19550dc85
--- /dev/null
+++ b/llvm/test/Regression/CodeGen/Alpha/mul5.ll
@@ -0,0 +1,16 @@
+; Make sure this testcase does not use mulq
+; RUN: llvm-as < %s | llc -march=alpha | grep -i 'mul' |wc -l |grep 0
+
+implementation   ; Functions:
+
+ulong %foo(ulong %x) {
+entry:
+	%tmp.1 = mul ulong %x, 5		; <ulong> [#uses=1]
+	ret ulong %tmp.1
+}
+
+long %bar(long %x) {
+entry:
+	%tmp.1 = mul long %x, 5		; <long> [#uses=1]
+	ret long %tmp.1
+}