[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, 27 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/SystemZ/vec-move-09.ll b/llvm/test/CodeGen/SystemZ/vec-move-09.ll
index 7863e4305f9..78c5454fb55 100644
--- a/llvm/test/CodeGen/SystemZ/vec-move-09.ll
+++ b/llvm/test/CodeGen/SystemZ/vec-move-09.ll
@@ -235,3 +235,30 @@ define <2 x i64> @f26(<2 x i64> %val, i32 %index) {
   %ret = insertelement <2 x i64> %val, i64 0, i32 %index
   ret <2 x i64> %ret
 }
+
+; Test v2f64 insertion of 0 into the first element.
+define <2 x double> @f30(<2 x double> %val) {
+; CHECK-LABEL: f30:
+; CHECK: vleig %v24, 0, 0
+; CHECK: br %r14
+  %ret = insertelement <2 x double> %val, double 0.0, i32 0
+  ret <2 x double> %ret
+}
+
+; Test v2f64 insertion of 0 into the last element.
+define <2 x double> @f31(<2 x double> %val) {
+; CHECK-LABEL: f31:
+; CHECK: vleig %v24, 0, 1
+; CHECK: br %r14
+  %ret = insertelement <2 x double> %val, double 0.0, i32 1
+  ret <2 x double> %ret
+}
+
+; Test v2f64 insertion of a nonzero value.
+define <2 x double> @f32(<2 x double> %val) {
+; CHECK-LABEL: f32:
+; CHECK-NOT: vleig
+; CHECK: br %r14
+  %ret = insertelement <2 x double> %val, double 1.0, i32 1
+  ret <2 x double> %ret
+}