[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, 10 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/SystemZ/vec-move-14.ll b/llvm/test/CodeGen/SystemZ/vec-move-14.ll
index f0c60e7d366..b48f2175ebe 100644
--- a/llvm/test/CodeGen/SystemZ/vec-move-14.ll
+++ b/llvm/test/CodeGen/SystemZ/vec-move-14.ll
@@ -74,3 +74,13 @@ define <2 x i64> @f7(i64 *%ptr) {
   %ret = insertelement <2 x i64> zeroinitializer, i64 %val, i32 0
   ret <2 x i64> %ret
 }
+
+; Test VLLEZG with a double.
+define <2 x double> @f9(double *%ptr) {
+; CHECK-LABEL: f9:
+; CHECK: vllezg %v24, 0(%r2)
+; CHECK: br %r14
+  %val = load double, double *%ptr
+  %ret = insertelement <2 x double> zeroinitializer, double %val, i32 0
+  ret <2 x double> %ret
+}