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; RUN: opt -passes=loop-vectorize < %s -S -o - | FileCheck %s --check-prefixes=CHECK,CHECK-2,CHECK-NO4
; RUN: opt -passes=loop-vectorize -mve-max-interleave-factor=1 < %s -S -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NO2,CHECK-NO4
; RUN: opt -passes=loop-vectorize -mve-max-interleave-factor=2 < %s -S -o - | FileCheck %s --check-prefixes=CHECK,CHECK-2,CHECK-NO4
; RUN: opt -passes=loop-vectorize -mve-max-interleave-factor=4 < %s -S -o - | FileCheck %s --check-prefixes=CHECK,CHECK-2,CHECK-4
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv8.1m.main-none-none-eabi"
; CHECK-LABEL: vld2
; CHECK-2: vector.body
; CHECK-NO2-NOT: vector.body
define void @vld2(ptr nocapture readonly %pIn, ptr nocapture %pOut, i32 %numRows, i32 %numCols, i32 %scale.coerce) #0 {
entry:
%tmp.0.extract.trunc = trunc i32 %scale.coerce to i16
%0 = bitcast i16 %tmp.0.extract.trunc to half
%mul = mul i32 %numCols, %numRows
%shr = lshr i32 %mul, 2
%cmp26 = icmp eq i32 %shr, 0
br i1 %cmp26, label %while.end, label %while.body
while.body: ; preds = %entry, %while.body
%pIn.addr.029 = phi ptr [ %add.ptr, %while.body ], [ %pIn, %entry ]
%pOut.addr.028 = phi ptr [ %add.ptr7, %while.body ], [ %pOut, %entry ]
%blkCnt.027 = phi i32 [ %dec, %while.body ], [ %shr, %entry ]
%1 = load half, ptr %pIn.addr.029, align 2
%arrayidx2 = getelementptr inbounds half, ptr %pIn.addr.029, i32 1
%2 = load half, ptr %arrayidx2, align 2
%mul3 = fmul half %1, %0
%mul4 = fmul half %2, %0
store half %mul3, ptr %pOut.addr.028, align 2
%arrayidx6 = getelementptr inbounds half, ptr %pOut.addr.028, i32 1
store half %mul4, ptr %arrayidx6, align 2
%add.ptr = getelementptr inbounds half, ptr %pIn.addr.029, i32 2
%add.ptr7 = getelementptr inbounds half, ptr %pOut.addr.028, i32 2
%dec = add nsw i32 %blkCnt.027, -1
%cmp = icmp eq i32 %dec, 0
br i1 %cmp, label %while.end, label %while.body
while.end: ; preds = %while.body, %entry
ret void
}
; CHECK-LABEL: vld4
; CHECK-4: vector.body
; CHECK-NO4-NOT: vector.body
define void @vld4(ptr nocapture readonly %pIn, ptr nocapture %pOut, i32 %numRows, i32 %numCols, i32 %scale.coerce) #0 {
entry:
%tmp.0.extract.trunc = trunc i32 %scale.coerce to i16
%0 = bitcast i16 %tmp.0.extract.trunc to half
%mul = mul i32 %numCols, %numRows
%shr = lshr i32 %mul, 2
%cmp38 = icmp eq i32 %shr, 0
br i1 %cmp38, label %while.end, label %while.body
while.body: ; preds = %entry, %while.body
%pIn.addr.041 = phi ptr [ %add.ptr, %while.body ], [ %pIn, %entry ]
%pOut.addr.040 = phi ptr [ %add.ptr13, %while.body ], [ %pOut, %entry ]
%blkCnt.039 = phi i32 [ %dec, %while.body ], [ %shr, %entry ]
%1 = load half, ptr %pIn.addr.041, align 2
%arrayidx2 = getelementptr inbounds half, ptr %pIn.addr.041, i32 1
%2 = load half, ptr %arrayidx2, align 2
%arrayidx3 = getelementptr inbounds half, ptr %pIn.addr.041, i32 2
%3 = load half, ptr %arrayidx3, align 2
%arrayidx4 = getelementptr inbounds half, ptr %pIn.addr.041, i32 3
%4 = load half, ptr %arrayidx4, align 2
%mul5 = fmul half %1, %0
%mul6 = fmul half %2, %0
%mul7 = fmul half %3, %0
%mul8 = fmul half %4, %0
store half %mul5, ptr %pOut.addr.040, align 2
%arrayidx10 = getelementptr inbounds half, ptr %pOut.addr.040, i32 1
store half %mul6, ptr %arrayidx10, align 2
%arrayidx11 = getelementptr inbounds half, ptr %pOut.addr.040, i32 2
store half %mul7, ptr %arrayidx11, align 2
%arrayidx12 = getelementptr inbounds half, ptr %pOut.addr.040, i32 3
store half %mul8, ptr %arrayidx12, align 2
%add.ptr = getelementptr inbounds half, ptr %pIn.addr.041, i32 4
%add.ptr13 = getelementptr inbounds half, ptr %pOut.addr.040, i32 4
%dec = add nsw i32 %blkCnt.039, -1
%cmp = icmp eq i32 %dec, 0
br i1 %cmp, label %while.end, label %while.body
while.end: ; preds = %while.body, %entry
ret void
}
attributes #0 = { "target-features"="+armv8.1-m.main,+fp-armv8d16,+fp-armv8d16sp,+fp16,+fp64,+fullfp16,+hwdiv,+lob,+mve.fp,+ras,+strict-align,+thumb-mode,+vfp2,+vfp2sp,+vfp3d16,+vfp3d16sp,+vfp4d16,+vfp4d16sp,-crypto,-d32,-fp-armv8,-fp-armv8sp,-neon,-vfp3,-vfp3sp,-vfp4,-vfp4sp" }
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