| ; RUN: llc -march=hexagon -O3 < %s | FileCheck %s |
| |
| ; if instruction being considered for addition to packet has higher latency, |
| ; end existing packet and start a new one. |
| |
| ; CHECK: .LBB0_4: |
| ; CHECK: p{{[0-3]+}} = cmp.gtu(r{{[0-9]+}},r{{[0-9]+}}) |
| ; CHECK-NEXT: } |
| |
| @array = external dso_local local_unnamed_addr global i32*, align 4 |
| |
| ; Function Attrs: nofree norecurse nounwind |
| define dso_local void @NumSift(i32 %i, i32 %j) local_unnamed_addr #0 { |
| entry: |
| %add36 = shl i32 %i, 1 |
| %cmp.not37 = icmp ugt i32 %add36, %j |
| br i1 %cmp.not37, label %while.end, label %while.body.lr.ph |
| |
| while.body.lr.ph: ; preds = %entry |
| %0 = load i32*, i32** @array, align 4 |
| %add16 = add i32 %j, 1 |
| br label %while.body |
| |
| while.body: ; preds = %while.body.lr.ph, %if.end17 |
| %add39 = phi i32 [ %add36, %while.body.lr.ph ], [ %add, %if.end17 ] |
| %i.addr.038 = phi i32 [ %i, %while.body.lr.ph ], [ %i.addr.1, %if.end17 ] |
| %cmp2 = icmp ult i32 %add39, %j |
| br i1 %cmp2, label %if.then, label %if.end7 |
| |
| if.then: ; preds = %while.body |
| %arrayidx = getelementptr inbounds i32, i32* %0, i32 %add39 |
| %1 = load i32, i32* %arrayidx, align 4 |
| %add3 = or i32 %add39, 1 |
| %arrayidx4 = getelementptr inbounds i32, i32* %0, i32 %add3 |
| %2 = load i32, i32* %arrayidx4, align 4 |
| %cmp5 = icmp ult i32 %1, %2 |
| %spec.select = select i1 %cmp5, i32 %add3, i32 %add39 |
| br label %if.end7 |
| |
| if.end7: ; preds = %if.then, %while.body |
| %k.0 = phi i32 [ %add39, %while.body ], [ %spec.select, %if.then ] |
| %arrayidx8 = getelementptr inbounds i32, i32* %0, i32 %i.addr.038 |
| %3 = load i32, i32* %arrayidx8, align 4 |
| %arrayidx9 = getelementptr inbounds i32, i32* %0, i32 %k.0 |
| %4 = load i32, i32* %arrayidx9, align 4 |
| %cmp10 = icmp ult i32 %3, %4 |
| br i1 %cmp10, label %if.then11, label %if.end17 |
| |
| if.then11: ; preds = %if.end7 |
| store i32 %3, i32* %arrayidx9, align 4 |
| store i32 %4, i32* %arrayidx8, align 4 |
| br label %if.end17 |
| |
| if.end17: ; preds = %if.end7, %if.then11 |
| %i.addr.1 = phi i32 [ %k.0, %if.then11 ], [ %add16, %if.end7 ] |
| %add = shl i32 %i.addr.1, 1 |
| %cmp.not = icmp ugt i32 %add, %j |
| br i1 %cmp.not, label %while.end, label %while.body |
| |
| while.end: ; preds = %if.end17, %entry |
| ret void |
| } |
| |
| attributes #0 = { "target-cpu"="hexagonv65" } |