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/vec_fneg.ll b/test/CodeGen/X86/vec_fneg.ll
new file mode 100644
index 0000000..0a057a4
--- /dev/null
+++ b/test/CodeGen/X86/vec_fneg.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | | llc -march=x86 -mattr=+sse2
+
+define <4 x float> @t1(<4 x float> %Q) {
+ %tmp15 = sub <4 x float> < float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00 >, %Q
+ ret <4 x float> %tmp15
+}
+
+define <4 x float> @t2(<4 x float> %Q) {
+ %tmp15 = sub <4 x float> zeroinitializer, %Q
+ ret <4 x float> %tmp15
+}