Add another test case for r64440.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67156 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 51 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/2009-03-17-LSRBug.ll b/test/CodeGen/PowerPC/2009-03-17-LSRBug.ll
new file mode 100644
index 0000000000..a898de0b48
--- /dev/null
+++ b/test/CodeGen/PowerPC/2009-03-17-LSRBug.ll
@@ -0,0 +1,51 @@
+; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin10
+; rdar://6692215
+
+define fastcc void @_qsort(i8* %a, i32 %n, i32 %es, i32 (i8*, i8*)* %cmp, i32 %depth_limit) nounwind optsize ssp {
+entry:
+	br i1 false, label %bb21, label %bb20.loopexit
+
+bb20.loopexit:		; preds = %entry
+	ret void
+
+bb21:		; preds = %entry
+	%0 = getelementptr i8* %a, i32 0		; <i8*> [#uses=2]
+	br label %bb35
+
+bb29:		; preds = %bb35
+	br i1 false, label %bb7.i252, label %bb34
+
+bb7.i252:		; preds = %bb7.i252, %bb29
+	%pj.0.rec.i247 = phi i32 [ %indvar.next488, %bb7.i252 ], [ 0, %bb29 ]		; <i32> [#uses=2]
+	%pi.0.i248 = getelementptr i8* %pa.1, i32 %pj.0.rec.i247		; <i8*> [#uses=0]
+	%indvar.next488 = add i32 %pj.0.rec.i247, 1		; <i32> [#uses=1]
+	br i1 false, label %bb34, label %bb7.i252
+
+bb34:		; preds = %bb7.i252, %bb29
+	%indvar.next505 = add i32 %indvar504, 1		; <i32> [#uses=1]
+	br label %bb35
+
+bb35:		; preds = %bb34, %bb21
+	%indvar504 = phi i32 [ %indvar.next505, %bb34 ], [ 0, %bb21 ]		; <i32> [#uses=2]
+	%pa.1 = phi i8* [ null, %bb34 ], [ %0, %bb21 ]		; <i8*> [#uses=2]
+	%pb.0.rec = mul i32 %indvar504, %es		; <i32> [#uses=1]
+	br i1 false, label %bb43, label %bb29
+
+bb43:		; preds = %bb43, %bb35
+	br i1 false, label %bb50, label %bb43
+
+bb50:		; preds = %bb43
+	%1 = ptrtoint i8* %pa.1 to i32		; <i32> [#uses=1]
+	%2 = sub i32 %1, 0		; <i32> [#uses=2]
+	%3 = icmp sle i32 0, %2		; <i1> [#uses=1]
+	%min = select i1 %3, i32 0, i32 %2		; <i32> [#uses=1]
+	br label %bb7.i161
+
+bb7.i161:		; preds = %bb7.i161, %bb50
+	%pj.0.rec.i156 = phi i32 [ %indvar.next394, %bb7.i161 ], [ 0, %bb50 ]		; <i32> [#uses=2]
+	%.sum279 = sub i32 %pj.0.rec.i156, %min		; <i32> [#uses=1]
+	%pb.0.sum542 = add i32 %pb.0.rec, %.sum279		; <i32> [#uses=1]
+	%pj.0.i158 = getelementptr i8* %0, i32 %pb.0.sum542		; <i8*> [#uses=0]
+	%indvar.next394 = add i32 %pj.0.rec.i156, 1		; <i32> [#uses=1]
+	br label %bb7.i161
+}