new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32883 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/2007-01-04-ArgExtension.ll b/test/CodeGen/PowerPC/2007-01-04-ArgExtension.ll
new file mode 100644 (file)
index 0000000..70d5ad3
--- /dev/null
+++ b/test/CodeGen/PowerPC/2007-01-04-ArgExtension.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc | grep extsb &&
+; RUN: llvm-as < %s | llc | grep extsh
+
+define i32 %p1(i8 %c, i16 %s) {
+entry:
+        %tmp = sext i8 %c to i32                ; <i32> [#uses=1]
+        %tmp1 = sext i16 %s to i32              ; <i32> [#uses=1]
+        %tmp2 = add i32 %tmp1, %tmp             ; <i32> [#uses=1]
+        ret i32 %tmp2
+}