Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91158 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 37 insertions, 0 deletions

diff --git a/test/CodeGen/X86/vec_ext_inreg.ll b/test/CodeGen/X86/vec_ext_inreg.ll
new file mode 100644
index 0000000000..02b16a79f4
--- /dev/null
+++ b/test/CodeGen/X86/vec_ext_inreg.ll
@@ -0,0 +1,37 @@
+; RUN: llc < %s -march=x86-64 
+
+define <8 x i32> @a(<8 x i32> %a) nounwind {
+  %b = trunc <8 x i32> %a to <8 x i16>
+  %c = sext <8 x i16> %b to <8 x i32>
+  ret <8 x i32> %c
+}
+
+define <3 x i32> @b(<3 x i32> %a) nounwind {
+  %b = trunc <3 x i32> %a to <3 x i16>
+  %c = sext <3 x i16> %b to <3 x i32>
+  ret <3 x i32> %c
+}
+
+define <1 x i32> @c(<1 x i32> %a) nounwind {
+  %b = trunc <1 x i32> %a to <1 x i16>
+  %c = sext <1 x i16> %b to <1 x i32>
+  ret <1 x i32> %c
+}
+
+define <8 x i32> @d(<8 x i32> %a) nounwind {
+  %b = trunc <8 x i32> %a to <8 x i16>
+  %c = zext <8 x i16> %b to <8 x i32>
+  ret <8 x i32> %c
+}
+
+define <3 x i32> @e(<3 x i32> %a) nounwind {
+  %b = trunc <3 x i32> %a to <3 x i16>
+  %c = zext <3 x i16> %b to <3 x i32>
+  ret <3 x i32> %c
+}
+
+define <1 x i32> @f(<1 x i32> %a) nounwind {
+  %b = trunc <1 x i32> %a to <1 x i16>
+  %c = zext <1 x i16> %b to <1 x i32>
+  ret <1 x i32> %c
+}