1 files changed, 29 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/postinc-load.ll b/test/CodeGen/Hexagon/postinc-load.ll
new file mode 100644
index 000000000000..855a347d74f5
--- /dev/null
+++ b/test/CodeGen/Hexagon/postinc-load.ll
@@ -0,0 +1,29 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+
+; Check that post-increment load instructions are being generated.
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(r{{[0-9]+}}{{ *}}++{{ *}}#4{{ *}})
+
+define i32 @sum(i32* nocapture %a, i16* nocapture %b, i32 %n) nounwind {
+entry:
+  br label %for.body
+
+for.body:
+  %lsr.iv = phi i32 [ %lsr.iv.next, %for.body ], [ 10, %entry ]
+  %arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ]
+  %arrayidx1.phi = phi i16* [ %b, %entry ], [ %arrayidx1.inc, %for.body ]
+  %sum.03 = phi i32 [ 0, %entry ], [ %add2, %for.body ]
+  %0 = load i32* %arrayidx.phi, align 4
+  %1 = load i16* %arrayidx1.phi, align 2
+  %conv = sext i16 %1 to i32
+  %add = add i32 %0, %sum.03
+  %add2 = add i32 %add, %conv
+  %arrayidx.inc = getelementptr i32* %arrayidx.phi, i32 1
+  %arrayidx1.inc = getelementptr i16* %arrayidx1.phi, i32 1
+  %lsr.iv.next = add i32 %lsr.iv, -1
+  %exitcond = icmp eq i32 %lsr.iv.next, 0
+  br i1 %exitcond, label %for.end, label %for.body
+
+for.end:
+  ret i32 %add2
+}
+