Add another test case for r64440.

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

diff --git a/test/CodeGen/PowerPC/2009-03-17-LSRBug.ll b/test/CodeGen/PowerPC/2009-03-17-LSRBug.ll
new file mode 100644 (file)
index 0000000..a898de0
--- /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
+}