; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner -pipeliner-max-stages=2 < %s ; REQUIRES: asserts ; This tests check that a dependence is created between a Phi and it's uses. ; An assert occurs if the Phi dependences are not correct. define void @test1(i32* %f2, i32 %nc) { entry: %i.011 = add i32 %nc, -1 %cmp12 = icmp sgt i32 %i.011, 1 br i1 %cmp12, label %for.body.preheader, label %for.end for.body.preheader: %0 = add i32 %nc, -2 %scevgep = getelementptr i32, i32* %f2, i32 %0 %sri = load i32, i32* %scevgep, align 4 %scevgep15 = getelementptr i32, i32* %f2, i32 %i.011 %sri16 = load i32, i32* %scevgep15, align 4 br label %for.body for.body: %i.014 = phi i32 [ %i.0, %for.body ], [ %i.011, %for.body.preheader ] %i.0.in13 = phi i32 [ %i.014, %for.body ], [ %nc, %for.body.preheader ] %sr = phi i32 [ %1, %for.body ], [ %sri, %for.body.preheader ] %sr17 = phi i32 [ %sr, %for.body ], [ %sri16, %for.body.preheader ] %arrayidx = getelementptr inbounds i32, i32* %f2, i32 %i.014 %sub1 = add nsw i32 %i.0.in13, -3 %arrayidx2 = getelementptr inbounds i32, i32* %f2, i32 %sub1 %1 = load i32, i32* %arrayidx2, align 4 %sub3 = sub nsw i32 %sr17, %1 store i32 %sub3, i32* %arrayidx, align 4 %i.0 = add nsw i32 %i.014, -1 %cmp = icmp sgt i32 %i.0, 1 br i1 %cmp, label %for.body, label %for.end.loopexit for.end.loopexit: br label %for.end for.end: ret void }