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/X86/peep-vector-extract-insert.ll b/test/CodeGen/X86/peep-vector-extract-insert.ll
new file mode 100644
index 0000000..9aeb4f1
--- /dev/null
+++ b/test/CodeGen/X86/peep-vector-extract-insert.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {pxor %xmm0, %xmm0} | wc -l | grep 2
+
+define float @foo(<4 x float> %a) {
+ %b = insertelement <4 x float> %a, float 0.0, i32 3
+ %c = extractelement <4 x float> %b, i32 3
+ ret float %c
+}
+define float @bar(float %a) {
+ %b = insertelement <4 x float> <float 3.4, float 4.5, float 0.0, float 9.2>, float %a, i32 3
+ %c = extractelement <4 x float> %b, i32 2
+ ret float %c
+}