1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/2009-07-17-CrossRegClassCopy.ll b/test/CodeGen/Thumb2/2009-07-17-CrossRegClassCopy.ll
new file mode 100644
index 0000000..8f2283f
--- /dev/null
+++ b/test/CodeGen/Thumb2/2009-07-17-CrossRegClassCopy.ll
@@ -0,0 +1,35 @@
+; RUN: llc < %s
+
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
+target triple = "thumbv6t2-elf"
+	%struct.dwarf_cie = type <{ i32, i32, i8, [0 x i8], [3 x i8] }>
+
+declare arm_apcscc i8* @read_sleb128(i8*, i32* nocapture) nounwind
+
+define arm_apcscc i32 @get_cie_encoding(%struct.dwarf_cie* %cie) nounwind {
+entry:
+	br i1 undef, label %bb1, label %bb13
+
+bb1:		; preds = %entry
+	%tmp38 = add i32 undef, 10		; <i32> [#uses=1]
+	br label %bb.i
+
+bb.i:		; preds = %bb.i, %bb1
+	%indvar.i = phi i32 [ 0, %bb1 ], [ %2, %bb.i ]		; <i32> [#uses=3]
+	%tmp39 = add i32 %indvar.i, %tmp38		; <i32> [#uses=1]
+	%p_addr.0.i = getelementptr i8* undef, i32 %tmp39		; <i8*> [#uses=1]
+	%0 = load i8* %p_addr.0.i, align 1		; <i8> [#uses=1]
+	%1 = icmp slt i8 %0, 0		; <i1> [#uses=1]
+	%2 = add i32 %indvar.i, 1		; <i32> [#uses=1]
+	br i1 %1, label %bb.i, label %read_uleb128.exit
+
+read_uleb128.exit:		; preds = %bb.i
+	%.sum40 = add i32 %indvar.i, undef		; <i32> [#uses=1]
+	%.sum31 = add i32 %.sum40, 2		; <i32> [#uses=1]
+	%scevgep.i = getelementptr %struct.dwarf_cie* %cie, i32 0, i32 3, i32 %.sum31		; <i8*> [#uses=1]
+	%3 = call arm_apcscc  i8* @read_sleb128(i8* %scevgep.i, i32* undef)		; <i8*> [#uses=0]
+	unreachable
+
+bb13:		; preds = %entry
+	ret i32 0
+}