1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/AVR/frmidx-iterator-bug.ll b/test/CodeGen/AVR/frmidx-iterator-bug.ll
new file mode 100644
index 000000000000..f9e2f0688faf
--- /dev/null
+++ b/test/CodeGen/AVR/frmidx-iterator-bug.ll
@@ -0,0 +1,33 @@
+; RUN: llc < %s -march=avr -mattr=avr6 | FileCheck %s
+
+%str_slice = type { i8*, i16 }
+%Machine = type { i16, [0 x i8], i16, [0 x i8], [16 x i8], [0 x i8] }
+
+; CHECK-LABEL: step
+define void @step(%Machine*) {
+ ret void
+}
+
+; CHECK-LABEL: main
+define void @main() {
+start:
+  %machine = alloca %Machine, align 8
+  %v0 = bitcast %Machine* %machine to i8*
+  %v1 = getelementptr inbounds %Machine, %Machine* %machine, i16 0, i32 2
+  %v2 = load i16, i16* %v1, align 2
+  br label %bb2.i5
+
+bb2.i5:
+  %v18 = load volatile i8, i8* inttoptr (i16 77 to i8*), align 1
+  %v19 = icmp sgt i8 %v18, -1
+  br i1 %v19, label %bb2.i5, label %bb.exit6
+
+bb.exit6:
+  %v20 = load volatile i8, i8* inttoptr (i16 78 to i8*), align 2
+  br label %bb7
+
+bb7:
+  call void @step(%Machine* %machine)
+  br label %bb7
+}
+