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

1 files changed, 36 insertions, 0 deletions

diff --git a/test/CodeGen/X86/vec_extract.ll b/test/CodeGen/X86/vec_extract.ll
new file mode 100644
index 0000000..2d3e87e
--- /dev/null
+++ b/test/CodeGen/X86/vec_extract.ll
@@ -0,0 +1,36 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse2 -o %t -f
+; RUN: grep movss    %t | wc -l | grep 3 
+; RUN: grep movhlps  %t | wc -l | grep 1 
+; RUN: grep pshufd   %t | wc -l | grep 1 
+; RUN: grep unpckhpd %t | wc -l | grep 1
+
+void %test1(<4 x float>* %F, float* %f) {
+	%tmp = load <4 x float>* %F
+	%tmp7 = add <4 x float> %tmp, %tmp
+	%tmp2 = extractelement <4 x float> %tmp7, uint 0
+	store float %tmp2, float* %f
+	ret void
+}
+
+float %test2(<4 x float>* %F, float* %f) {
+	%tmp = load <4 x float>* %F
+	%tmp7 = add <4 x float> %tmp, %tmp
+	%tmp2 = extractelement <4 x float> %tmp7, uint 2
+        ret float %tmp2
+}
+
+void %test3(float* %R, <4 x float>* %P1) {
+	%X = load <4 x float>* %P1
+	%tmp = extractelement <4 x float> %X, uint 3
+	store float %tmp, float* %R
+	ret void
+}
+
+double %test4(double %A) {
+        %tmp1 = call <2 x double> %foo()
+        %tmp2 = extractelement <2 x double> %tmp1, uint 1
+        %tmp3 = add double %tmp2, %A
+        ret double %tmp3
+}
+
+declare <2 x double> %foo()