It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/extsh.ll b/test/CodeGen/PowerPC/extsh.ll
new file mode 100644
index 0000000..0f4f512
--- /dev/null
+++ b/test/CodeGen/PowerPC/extsh.ll
@@ -0,0 +1,7 @@
+; This should turn into a single extsh
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 | grep extsh | wc -l | grep 1
+int %test(int %X) {
+ %tmp.81 = shl int %X, ubyte 16 ; <int> [#uses=1]
+ %tmp.82 = shr int %tmp.81, ubyte 16 ; <int> [#uses=1]
+ ret int %tmp.82
+}