[SystemZ] Add ARK, AGRK, SRK and SGRK

The testsuite changes follow the same lines as for r186683.

llvm-svn: 186686

1 files changed, 39 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/SystemZ/int-add-13.ll b/llvm/test/CodeGen/SystemZ/int-add-13.ll
new file mode 100644
index 00000000000..7dfabbcc59e
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/int-add-13.ll
@@ -0,0 +1,39 @@
+; Test the three-operand forms of addition.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
+
+; Check ARK.
+define i32 @f1(i32 %a, i32 %b, i32 %c) {
+; CHECK-LABEL: f1:
+; CHECK: ark %r2, %r3, %r4
+; CHECK: br %r14
+  %add = add i32 %b, %c
+  ret i32 %add
+}
+
+; Check that we can still use AR in obvious cases.
+define i32 @f2(i32 %a, i32 %b) {
+; CHECK-LABEL: f2:
+; CHECK: ar %r2, %r3
+; CHECK: br %r14
+  %add = add i32 %a, %b
+  ret i32 %add
+}
+
+; Check AGRK.
+define i64 @f3(i64 %a, i64 %b, i64 %c) {
+; CHECK-LABEL: f3:
+; CHECK: agrk %r2, %r3, %r4
+; CHECK: br %r14
+  %add = add i64 %b, %c
+  ret i64 %add
+}
+
+; Check that we can still use AGR in obvious cases.
+define i64 @f4(i64 %a, i64 %b) {
+; CHECK-LABEL: f4:
+; CHECK: agr %r2, %r3
+; CHECK: br %r14
+  %add = add i64 %a, %b
+  ret i64 %add
+}