vendor/llvm/llvm-trunk-r178860

1 files changed, 32 insertions, 0 deletions

diff --git a/test/CodeGen/Hexagon/memops2.ll b/test/CodeGen/Hexagon/memops2.ll
new file mode 100644
index 000000000000..b1b25445c029
--- /dev/null
+++ b/test/CodeGen/Hexagon/memops2.ll
@@ -0,0 +1,32 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
+; Generate MemOps for V4 and above.
+
+
+define void @f(i16* nocapture %p) nounwind {
+entry:
+; CHECK:  memh(r{{[0-9]+}}{{ *}}+{{ *}}#20){{ *}}-={{ *}}#1
+  %add.ptr = getelementptr inbounds i16* %p, i32 10
+  %0 = load i16* %add.ptr, align 2, !tbaa !0
+  %conv2 = zext i16 %0 to i32
+  %sub = add nsw i32 %conv2, 65535
+  %conv1 = trunc i32 %sub to i16
+  store i16 %conv1, i16* %add.ptr, align 2, !tbaa !0
+  ret void
+}
+
+define void @g(i16* nocapture %p, i32 %i) nounwind {
+entry:
+; CHECK:  memh(r{{[0-9]+}}{{ *}}+{{ *}}#20){{ *}}-={{ *}}#1
+  %add.ptr.sum = add i32 %i, 10
+  %add.ptr1 = getelementptr inbounds i16* %p, i32 %add.ptr.sum
+  %0 = load i16* %add.ptr1, align 2, !tbaa !0
+  %conv3 = zext i16 %0 to i32
+  %sub = add nsw i32 %conv3, 65535
+  %conv2 = trunc i32 %sub to i16
+  store i16 %conv2, i16* %add.ptr1, align 2, !tbaa !0
+  ret void
+}
+
+!0 = metadata !{metadata !"short", metadata !1}
+!1 = metadata !{metadata !"omnipotent char", metadata !2}
+!2 = metadata !{metadata !"Simple C/C++ TBAA"}