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/X86/2006-05-17-VectorArg.ll b/test/CodeGen/X86/2006-05-17-VectorArg.ll
new file mode 100644
index 0000000..1f2af14
--- /dev/null
+++ b/test/CodeGen/X86/2006-05-17-VectorArg.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse2
+
+<4 x float> %opRSQ(<4 x float> %a) {
+entry:
+ %tmp2 = extractelement <4 x float> %a, uint 3
+ %abscond = setge float %tmp2, -0.000000e+00
+ %abs = select bool %abscond, float %tmp2, float 0.000000e+00
+ %tmp3 = tail call float %llvm.sqrt.f32( float %abs )
+ %tmp4 = div float 1.000000e+00, %tmp3
+ %tmp11 = insertelement <4 x float> zeroinitializer, float %tmp4, uint 3
+ ret <4 x float> %tmp11
+}
+
+declare float %llvm.sqrt.f32(float)