Make better use of instructions that clear high bits; fix various 2-wide shuffle bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45058 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 81 insertions, 0 deletions

diff --git a/test/CodeGen/X86/vec_shuffle-15.ll b/test/CodeGen/X86/vec_shuffle-15.ll
new file mode 100644
index 0000000000..062f77c279
--- /dev/null
+++ b/test/CodeGen/X86/vec_shuffle-15.ll
@@ -0,0 +1,81 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2
+
+define <2 x i64> @t00(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 0, i32 0 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t01(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 0, i32 1 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t02(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 0, i32 2 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t03(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 0, i32 3 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t10(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 1, i32 0 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t11(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 1, i32 1 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t12(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 1, i32 2 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t13(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 1, i32 3 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t20(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 2, i32 0 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t21(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 2, i32 1 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t22(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 2, i32 2 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t23(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 2, i32 3 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t30(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 3, i32 0 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t31(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 3, i32 1 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t32(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 3, i32 2 >
+	ret <2 x i64> %tmp
+}
+
+define <2 x i64> @t33(<2 x i64> %a, <2 x i64> %b) nounwind  {
+	%tmp = shufflevector <2 x i64> %a, <2 x i64> %b, <2 x i32> < i32 3, i32 3 >
+	ret <2 x i64> %tmp
+}