; RUN: opt -passes=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, ptr %s, i32 %i.016
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %1 = load i16, ptr %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, ptr %d, i32 %i.016
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %conv6, ptr %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, ptr %s, i32 %i.016
; CHECK: LV: Found an estimated cost of 18 for VF 2 For instruction: %1 = load i16, ptr %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 20 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 26 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, ptr %d, i32 %i.016
; CHECK: LV: Found an estimated cost of 16 for VF 2 For instruction: store i16 %conv6, ptr %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: 43.
; 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, ptr %s, i32 %i.016
; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %1 = load i16, ptr %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, ptr %d, i32 %i.016
; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: store i16 %conv6, ptr %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, ptr %s, i32 %i.016
; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %1 = load i16, ptr %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 36 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, ptr %d, i32 %i.016
; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: store i16 %conv6, ptr %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: 5.
; CHECK: LV: Selecting VF: 4.
define void @expensive_icmp(ptr noalias nocapture %d, ptr 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, ptr %s, i32 %i.016
%1 = load i16, ptr %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, ptr %d, i32 %i.016
store i16 %conv6, ptr %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 ptr [ %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 ptr [ %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 ptr [ %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, ptr %pSrcA.addr.011, i32 1
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %0 = load i8, ptr %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, ptr %pSrcB.addr.09, i32 1
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %1 = load i8, ptr %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, ptr %pDst.addr.010, i32 1
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i8 %conv4, ptr %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 ptr [ %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 ptr [ %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 ptr [ %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, ptr %pSrcA.addr.011, i32 1
; CHECK: LV: Found an estimated cost of 18 for VF 2 For instruction: %0 = load i8, ptr %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, ptr %pSrcB.addr.09, i32 1
; CHECK: LV: Found an estimated cost of 18 for VF 2 For instruction: %1 = load i8, ptr %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 26 for VF 2 For instruction: %mul = mul nsw i32 %conv3, %conv1
; CHECK: LV: Found an estimated cost of 18 for VF 2 For instruction: %shr = ashr i32 %mul, 7
; CHECK: LV: Found an estimated cost of 0 for VF 2 For instruction: %2 = icmp slt i32 %shr, 127
; CHECK: LV: Found an estimated cost of 22 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, ptr %pDst.addr.010, i32 1
; CHECK: LV: Found an estimated cost of 18 for VF 2 For instruction: store i8 %conv4, ptr %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: 65.
; 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 ptr [ %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 ptr [ %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 ptr [ %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, ptr %pSrcA.addr.011, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %0 = load i8, ptr %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, ptr %pSrcB.addr.09, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: %1 = load i8, ptr %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 0 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, ptr %pDst.addr.010, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 4 For instruction: store i8 %conv4, ptr %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: 3.
; 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 ptr [ %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 ptr [ %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 ptr [ %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, ptr %pSrcA.addr.011, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %0 = load i8, ptr %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, ptr %pSrcB.addr.09, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %1 = load i8, ptr %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 0 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, ptr %pDst.addr.010, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: store i8 %conv4, ptr %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 ptr [ %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 ptr [ %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 ptr [ %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, ptr %pSrcA.addr.011, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: %0 = load i8, ptr %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, ptr %pSrcB.addr.09, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: %1 = load i8, ptr %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 0 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, ptr %pDst.addr.010, i32 1
; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: store i8 %conv4, ptr %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(ptr nocapture readonly %pSrcA, ptr nocapture readonly %pSrcB, ptr 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 ptr [ %incdec.ptr, %while.body ], [ %pSrcA, %while.body.preheader ]
%pDst.addr.010 = phi ptr [ %incdec.ptr5, %while.body ], [ %pDst, %while.body.preheader ]
%pSrcB.addr.09 = phi ptr [ %incdec.ptr2, %while.body ], [ %pSrcB, %while.body.preheader ]
%incdec.ptr = getelementptr inbounds i8, ptr %pSrcA.addr.011, i32 1
%0 = load i8, ptr %pSrcA.addr.011, align 1
%conv1 = sext i8 %0 to i32
%incdec.ptr2 = getelementptr inbounds i8, ptr %pSrcB.addr.09, i32 1
%1 = load i8, ptr %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, ptr %pDst.addr.010, i32 1
store i8 %conv4, ptr %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
}
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %cmp1 = fcmp
; CHECK: LV: Found an estimated cost of 12 for VF 2 For instruction: %cmp1 = fcmp
; CHECK: LV: Found an estimated cost of 24 for VF 4 For instruction: %cmp1 = fcmp
define void @floatcmp(ptr nocapture readonly %pSrc, ptr nocapture %pDst, i32 %blockSize) #0 {
entry:
%cmp.not7 = icmp eq i32 %blockSize, 0
br i1 %cmp.not7, label %while.end, label %while.body
while.body: ; preds = %entry, %while.body
%pSrc.addr.010 = phi ptr [ %incdec.ptr2, %while.body ], [ %pSrc, %entry ]
%blockSize.addr.09 = phi i32 [ %dec, %while.body ], [ %blockSize, %entry ]
%pDst.addr.08 = phi ptr [ %incdec.ptr, %while.body ], [ %pDst, %entry ]
%0 = load float, ptr %pSrc.addr.010, align 4
%cmp1 = fcmp nnan ninf nsz olt float %0, 0.000000e+00
%cond = select nnan ninf nsz i1 %cmp1, float 1.000000e+01, float %0
%conv = fptosi float %cond to i32
%incdec.ptr = getelementptr inbounds i32, ptr %pDst.addr.08, i32 1
store i32 %conv, ptr %pDst.addr.08, align 4
%incdec.ptr2 = getelementptr inbounds float, ptr %pSrc.addr.010, i32 1
%dec = add i32 %blockSize.addr.09, -1
%cmp.not = icmp eq i32 %dec, 0
br i1 %cmp.not, label %while.end, label %while.body
while.end: ; preds = %while.body, %entry
ret void
}
attributes #0 = { "target-features"="+mve" }
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