[SystemZ] Add CodeGen support for v2f64

This adds ABI and CodeGen support for the v2f64 type, which is natively
supported by z13 instructions.

Based on a patch by Richard Sandiford.

llvm-svn: 236522

1 files changed, 9 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/SystemZ/vec-move-11.ll b/llvm/test/CodeGen/SystemZ/vec-move-11.ll
index 45bc91b169b..07a037ccdf2 100644
--- a/llvm/test/CodeGen/SystemZ/vec-move-11.ll
+++ b/llvm/test/CodeGen/SystemZ/vec-move-11.ll
@@ -91,3 +91,12 @@ define <2 x i64> @f10(i64 %val) {
   %ret = insertelement <2 x i64> undef, i64 %val, i32 1
   ret <2 x i64> %ret
 }
+
+; Test v2f64 insertion into an undef.
+define <2 x double> @f12(double %val) {
+; CHECK-LABEL: f12:
+; CHECK: vrepg %v24, %v0, 0
+; CHECK: br %r14
+  %ret = insertelement <2 x double> undef, double %val, i32 1
+  ret <2 x double> %ret
+}