[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, 24 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/SystemZ/vec-abs-05.ll b/llvm/test/CodeGen/SystemZ/vec-abs-05.ll
new file mode 100644
index 00000000000..89142b21854
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/vec-abs-05.ll
@@ -0,0 +1,24 @@
+; Test v2f64 absolute.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
+
+declare <2 x double> @llvm.fabs.v2f64(<2 x double>)
+
+; Test a plain absolute.
+define <2 x double> @f1(<2 x double> %val) {
+; CHECK-LABEL: f1:
+; CHECK: vflpdb %v24, %v24
+; CHECK: br %r14
+  %ret = call <2 x double> @llvm.fabs.v2f64(<2 x double> %val)
+  ret <2 x double> %ret
+}
+
+; Test a negative absolute.
+define <2 x double> @f2(<2 x double> %val) {
+; CHECK-LABEL: f2:
+; CHECK: vflndb %v24, %v24
+; CHECK: br %r14
+  %abs = call <2 x double> @llvm.fabs.v2f64(<2 x double> %val)
+  %ret = fsub <2 x double> <double -0.0, double -0.0>, %abs
+  ret <2 x double> %ret
+}