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/vec_zero.ll b/test/CodeGen/PowerPC/vec_zero.ll
new file mode 100644
index 0000000..c845c0e
--- /dev/null
+++ b/test/CodeGen/PowerPC/vec_zero.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -mcpu=g5 | grep vxor
+
+void %foo(<4 x float> *%P) {
+ %T = load <4 x float> * %P
+ %S = add <4 x float> zeroinitializer, %T
+ store <4 x float> %S, <4 x float>* %P
+ ret void
+}