Add a testcase for #9623

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132991 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/4char-promote.ll b/test/CodeGen/X86/4char-promote.ll
new file mode 100644 (file)
index 0000000..fd7b8c0
--- /dev/null
+++ b/test/CodeGen/X86/4char-promote.ll
@@ -0,0 +1,16 @@
+; A test for checking PR 9623
+;RUN: llc -march=x86-64 -promote-elements < %s | FileCheck %s
+
+
+; CHECK:  pmulld 
+; CHECK:  paddd  
+; CHECK:  movdqa 
+
+define <4 x i8> @foo(<4 x i8> %x, <4 x i8> %y) {
+entry:
+ %binop = mul <4 x i8> %x, %y
+ %binop6 = add <4 x i8> %binop, %x
+ ret <4 x i8> %binop6
+}
+
+