Make sure mul by constant 5 is turned into a s4addq

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27365 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Alpha/mul5.ll b/test/CodeGen/Alpha/mul5.ll
new file mode 100644 (file)
index 0000000..cb19550
--- /dev/null
+++ b/test/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
+}