| ; RUN: opt -loop-vectorize -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-arm-none-eabi" |
| |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %i.016 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx = getelementptr inbounds i16, i16* %s, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %1 = load i16, i16* %arrayidx, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %conv = sext i16 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %cmp2 = icmp sgt i32 %conv, %conv1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %cmp2, label %if.then, label %for.inc |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %conv6 = add i16 %1, %0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx7 = getelementptr inbounds i16, i16* %d, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %conv6, i16* %arrayidx7, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: br label %for.inc |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %inc = add nuw nsw i32 %i.016, 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %exitcond.not = icmp eq i32 %inc, %n |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| ; CHECK: LV: Scalar loop costs: 5. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %i.016 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %arrayidx = getelementptr inbounds i16, i16* %s, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 10 for VF 2 For instruction: %1 = load i16, i16* %arrayidx, align 2 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 2 For instruction: %conv = sext i16 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 12 for VF 2 For instruction: %cmp2 = icmp sgt i32 %conv, %conv1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: br i1 %cmp2, label %if.then, label %for.inc |
| ; CHECK: LV: Found an estimated cost of 14 for VF 2 For instruction: %conv6 = add i16 %1, %0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %arrayidx7 = getelementptr inbounds i16, i16* %d, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 16 for VF 2 For instruction: store i16 %conv6, i16* %arrayidx7, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: br label %for.inc |
| ; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %inc = add nuw nsw i32 %i.016, 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %exitcond.not = icmp eq i32 %inc, %n |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| ; CHECK: LV: Vector loop of width 2 costs: 29. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %i.016 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %arrayidx = getelementptr inbounds i16, i16* %s, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %1 = load i16, i16* %arrayidx, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %conv = sext i16 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %cmp2 = icmp sgt i32 %conv, %conv1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: br i1 %cmp2, label %if.then, label %for.inc |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %conv6 = add i16 %1, %0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %arrayidx7 = getelementptr inbounds i16, i16* %d, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: store i16 %conv6, i16* %arrayidx7, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: br label %for.inc |
| ; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %inc = add nuw nsw i32 %i.016, 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %exitcond.not = icmp eq i32 %inc, %n |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| ; CHECK: LV: Vector loop of width 4 costs: 2. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %i.016 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %arrayidx = getelementptr inbounds i16, i16* %s, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %1 = load i16, i16* %arrayidx, align 2 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %conv = sext i16 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 8 For instruction: %cmp2 = icmp sgt i32 %conv, %conv1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: br i1 %cmp2, label %if.then, label %for.inc |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %conv6 = add i16 %1, %0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %arrayidx7 = getelementptr inbounds i16, i16* %d, i32 %i.016 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: store i16 %conv6, i16* %arrayidx7, align 2 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: br label %for.inc |
| ; CHECK: LV: Found an estimated cost of 1 for VF 8 For instruction: %inc = add nuw nsw i32 %i.016, 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 8 For instruction: %exitcond.not = icmp eq i32 %inc, %n |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| ; CHECK: LV: Vector loop of width 8 costs: 1. |
| ; CHECK: LV: Selecting VF: 8. |
| define void @expensive_icmp(i16* noalias nocapture %d, i16* nocapture readonly %s, i32 %n, i16 zeroext %m) #0 { |
| entry: |
| %cmp15 = icmp sgt i32 %n, 0 |
| br i1 %cmp15, label %for.body.lr.ph, label %for.cond.cleanup |
| |
| for.body.lr.ph: ; preds = %entry |
| %conv1 = zext i16 %m to i32 |
| %0 = trunc i32 %n to i16 |
| br label %for.body |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %for.body.lr.ph, %for.inc |
| %i.016 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ] |
| %arrayidx = getelementptr inbounds i16, i16* %s, i32 %i.016 |
| %1 = load i16, i16* %arrayidx, align 2 |
| %conv = sext i16 %1 to i32 |
| %cmp2 = icmp sgt i32 %conv, %conv1 |
| br i1 %cmp2, label %if.then, label %for.inc |
| |
| if.then: ; preds = %for.body |
| %conv6 = add i16 %1, %0 |
| %arrayidx7 = getelementptr inbounds i16, i16* %d, i32 %i.016 |
| store i16 %conv6, i16* %arrayidx7, align 2 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.then |
| %inc = add nuw nsw i32 %i.016, 1 |
| %exitcond.not = icmp eq i32 %inc, %n |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |
| |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %conv1 = sext i8 %0 to i32 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %conv3 = sext i8 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %mul = mul nsw i32 %conv3, %conv1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %shr = ashr i32 %mul, 7 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %2 = icmp slt i32 %shr, 127 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %conv4 = trunc i32 %spec.select.i to i8 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i8 %conv4, i8* %pDst.addr.010, align 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %dec = add i32 %blkCnt.012, -1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %cmp.not = icmp eq i32 %dec, 0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| ; CHECK: LV: Scalar loop costs: 9. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| ; CHECK: LV: Found an estimated cost of 10 for VF 2 For instruction: %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 2 For instruction: %conv1 = sext i8 %0 to i32 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| ; CHECK: LV: Found an estimated cost of 10 for VF 2 For instruction: %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 2 For instruction: %conv3 = sext i8 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 14 for VF 2 For instruction: %mul = mul nsw i32 %conv3, %conv1 |
| ; CHECK: LV: Found an estimated cost of 10 for VF 2 For instruction: %shr = ashr i32 %mul, 7 |
| ; CHECK: LV: Found an estimated cost of 12 for VF 2 For instruction: %2 = icmp slt i32 %shr, 127 |
| ; CHECK: LV: Found an estimated cost of 12 for VF 2 For instruction: %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %conv4 = trunc i32 %spec.select.i to i8 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| ; CHECK: LV: Found an estimated cost of 10 for VF 2 For instruction: store i8 %conv4, i8* %pDst.addr.010, align 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %dec = add i32 %blkCnt.012, -1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %cmp.not = icmp eq i32 %dec, 0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| ; CHECK: LV: Vector loop of width 2 costs: 44. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %conv1 = sext i8 %0 to i32 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %conv3 = sext i8 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %mul = mul nsw i32 %conv3, %conv1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %shr = ashr i32 %mul, 7 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %2 = icmp slt i32 %shr, 127 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %conv4 = trunc i32 %spec.select.i to i8 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: store i8 %conv4, i8* %pDst.addr.010, align 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %dec = add i32 %blkCnt.012, -1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %cmp.not = icmp eq i32 %dec, 0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 4 For instruction: br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| ; CHECK: LV: Vector loop of width 4 costs: 4. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %conv1 = sext i8 %0 to i32 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %conv3 = sext i8 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 8 For instruction: %mul = mul nsw i32 %conv3, %conv1 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 8 For instruction: %shr = ashr i32 %mul, 7 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 8 For instruction: %2 = icmp slt i32 %shr, 127 |
| ; CHECK: LV: Found an estimated cost of 4 for VF 8 For instruction: %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %conv4 = trunc i32 %spec.select.i to i8 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: store i8 %conv4, i8* %pDst.addr.010, align 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 8 For instruction: %dec = add i32 %blkCnt.012, -1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 8 For instruction: %cmp.not = icmp eq i32 %dec, 0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 8 For instruction: br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| ; CHECK: LV: Vector loop of width 8 costs: 3. |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| ; CHECK: LV: Found an estimated cost of 6 for VF 16 For instruction: %conv1 = sext i8 %0 to i32 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| ; CHECK: LV: Found an estimated cost of 6 for VF 16 For instruction: %conv3 = sext i8 %1 to i32 |
| ; CHECK: LV: Found an estimated cost of 8 for VF 16 For instruction: %mul = mul nsw i32 %conv3, %conv1 |
| ; CHECK: LV: Found an estimated cost of 8 for VF 16 For instruction: %shr = ashr i32 %mul, 7 |
| ; CHECK: LV: Found an estimated cost of 8 for VF 16 For instruction: %2 = icmp slt i32 %shr, 127 |
| ; CHECK: LV: Found an estimated cost of 8 for VF 16 For instruction: %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| ; CHECK: LV: Found an estimated cost of 6 for VF 16 For instruction: %conv4 = trunc i32 %spec.select.i to i8 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: store i8 %conv4, i8* %pDst.addr.010, align 1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 16 For instruction: %dec = add i32 %blkCnt.012, -1 |
| ; CHECK: LV: Found an estimated cost of 1 for VF 16 For instruction: %cmp.not = icmp eq i32 %dec, 0 |
| ; CHECK: LV: Found an estimated cost of 0 for VF 16 For instruction: br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| ; CHECK: LV: Vector loop of width 16 costs: 3. |
| ; CHECK: LV: Selecting VF: 16. |
| define void @cheap_icmp(i8* nocapture readonly %pSrcA, i8* nocapture readonly %pSrcB, i8* nocapture %pDst, i32 %blockSize) #0 { |
| entry: |
| %cmp.not8 = icmp eq i32 %blockSize, 0 |
| br i1 %cmp.not8, label %while.end, label %while.body.preheader |
| |
| while.body.preheader: ; preds = %entry |
| br label %while.body |
| |
| while.body: ; preds = %while.body.preheader, %while.body |
| %blkCnt.012 = phi i32 [ %dec, %while.body ], [ %blockSize, %while.body.preheader ] |
| %pSrcA.addr.011 = phi i8* [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ] |
| %pDst.addr.010 = phi i8* [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ] |
| %pSrcB.addr.09 = phi i8* [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ] |
| %incdec.ptr = getelementptr inbounds i8, i8* %pSrcA.addr.011, i32 1 |
| %0 = load i8, i8* %pSrcA.addr.011, align 1 |
| %conv1 = sext i8 %0 to i32 |
| %incdec.ptr2 = getelementptr inbounds i8, i8* %pSrcB.addr.09, i32 1 |
| %1 = load i8, i8* %pSrcB.addr.09, align 1 |
| %conv3 = sext i8 %1 to i32 |
| %mul = mul nsw i32 %conv3, %conv1 |
| %shr = ashr i32 %mul, 7 |
| %2 = icmp slt i32 %shr, 127 |
| %spec.select.i = select i1 %2, i32 %shr, i32 127 |
| %conv4 = trunc i32 %spec.select.i to i8 |
| %incdec.ptr5 = getelementptr inbounds i8, i8* %pDst.addr.010, i32 1 |
| store i8 %conv4, i8* %pDst.addr.010, align 1 |
| %dec = add i32 %blkCnt.012, -1 |
| %cmp.not = icmp eq i32 %dec, 0 |
| br i1 %cmp.not, label %while.end.loopexit, label %while.body |
| |
| while.end.loopexit: ; preds = %while.body |
| br label %while.end |
| |
| while.end: ; preds = %while.end.loopexit, %entry |
| ret void |
| } |
| |
| attributes #0 = { "target-features"="+mve.fp" } |
