2009-03-17-LSRBug.ll
1.84 KB
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; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-unknown-linux-gnu
; 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, 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, 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, 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
}