added first alpha codegen regression test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21117 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Alpha/s4addq.ll b/test/CodeGen/Alpha/s4addq.ll
new file mode 100644 (file)
index 0000000..4c96690
--- /dev/null
+++ b/test/CodeGen/Alpha/s4addq.ll
@@ -0,0 +1,16 @@
+; Make sure this testcase codegens to the S4ADDQ instruction
+; RUN: llvm-as < %s | llc -march=alpha | grep 'S4ADDQ'
+
+target endian = little
+target pointersize = 64
+target triple = "alphapca56-unknown-linux-gnu"
+deplibs = [ "c", "crtend" ]
+
+implementation   ; Functions:
+
+long %bar(long %x, long %y) {
+entry:
+       %tmp.1 = shl long %x, ubyte 3           ; <long> [#uses=1]
+       %tmp.3 = add long %tmp.1, %y            ; <long> [#uses=1]
+       ret long %tmp.3
+}