; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -loop-vectorize -mtriple=x86_64-apple-macosx -S -mcpu=corei7-avx -enable-interleaved-mem-accesses=false < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
@kernel = global [512 x float] zeroinitializer, align 16
@kernel2 = global [512 x float] zeroinitializer, align 16
@kernel3 = global [512 x float] zeroinitializer, align 16
@kernel4 = global [512 x float] zeroinitializer, align 16
@src_data = global [1536 x float] zeroinitializer, align 16
@r_ = global i8 0, align 1
@g_ = global i8 0, align 1
@b_ = global i8 0, align 1
; We don't want to vectorize most loops containing gathers because they are
; expensive. This function represents a point where vectorization starts to
; become beneficial.
; Make sure we are conservative and don't vectorize it.
define void @_Z4testmm(i64 %size, i64 %offset) {
; CHECK-LABEL: @_Z4testmm(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP53:%.*]] = icmp eq i64 [[SIZE:%.*]], 0
; CHECK-NEXT: br i1 [[CMP53]], label [[FOR_END:%.*]], label [[FOR_BODY_LR_PH:%.*]]
; CHECK: for.body.lr.ph:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[R_057:%.*]] = phi float [ 0.000000e+00, [[FOR_BODY_LR_PH]] ], [ [[ADD10:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[G_056:%.*]] = phi float [ 0.000000e+00, [[FOR_BODY_LR_PH]] ], [ [[ADD20:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[V_055:%.*]] = phi i64 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[B_054:%.*]] = phi float [ 0.000000e+00, [[FOR_BODY_LR_PH]] ], [ [[ADD30:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[ADD:%.*]] = add i64 [[V_055]], [[OFFSET:%.*]]
; CHECK-NEXT: [[MUL:%.*]] = mul i64 [[ADD]], 3
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 [[MUL]]
; CHECK-NEXT: [[TMP0:%.*]] = load float, float* [[ARRAYIDX]], align 4
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds [512 x float], [512 x float]* @kernel, i64 0, i64 [[V_055]]
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[ARRAYIDX2]], align 4
; CHECK-NEXT: [[MUL3:%.*]] = fmul fast float [[TMP0]], [[TMP1]]
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [512 x float], [512 x float]* @kernel2, i64 0, i64 [[V_055]]
; CHECK-NEXT: [[TMP2:%.*]] = load float, float* [[ARRAYIDX4]], align 4
; CHECK-NEXT: [[MUL5:%.*]] = fmul fast float [[MUL3]], [[TMP2]]
; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [512 x float], [512 x float]* @kernel3, i64 0, i64 [[V_055]]
; CHECK-NEXT: [[TMP3:%.*]] = load float, float* [[ARRAYIDX6]], align 4
; CHECK-NEXT: [[MUL7:%.*]] = fmul fast float [[MUL5]], [[TMP3]]
; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds [512 x float], [512 x float]* @kernel4, i64 0, i64 [[V_055]]
; CHECK-NEXT: [[TMP4:%.*]] = load float, float* [[ARRAYIDX8]], align 4
; CHECK-NEXT: [[MUL9:%.*]] = fmul fast float [[MUL7]], [[TMP4]]
; CHECK-NEXT: [[ADD10]] = fadd fast float [[R_057]], [[MUL9]]
; CHECK-NEXT: [[ARRAYIDX_SUM:%.*]] = add i64 [[MUL]], 1
; CHECK-NEXT: [[ARRAYIDX11:%.*]] = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 [[ARRAYIDX_SUM]]
; CHECK-NEXT: [[TMP5:%.*]] = load float, float* [[ARRAYIDX11]], align 4
; CHECK-NEXT: [[MUL13:%.*]] = fmul fast float [[TMP1]], [[TMP5]]
; CHECK-NEXT: [[MUL15:%.*]] = fmul fast float [[TMP2]], [[MUL13]]
; CHECK-NEXT: [[MUL17:%.*]] = fmul fast float [[TMP3]], [[MUL15]]
; CHECK-NEXT: [[MUL19:%.*]] = fmul fast float [[TMP4]], [[MUL17]]
; CHECK-NEXT: [[ADD20]] = fadd fast float [[G_056]], [[MUL19]]
; CHECK-NEXT: [[ARRAYIDX_SUM52:%.*]] = add i64 [[MUL]], 2
; CHECK-NEXT: [[ARRAYIDX21:%.*]] = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 [[ARRAYIDX_SUM52]]
; CHECK-NEXT: [[TMP6:%.*]] = load float, float* [[ARRAYIDX21]], align 4
; CHECK-NEXT: [[MUL23:%.*]] = fmul fast float [[TMP1]], [[TMP6]]
; CHECK-NEXT: [[MUL25:%.*]] = fmul fast float [[TMP2]], [[MUL23]]
; CHECK-NEXT: [[MUL27:%.*]] = fmul fast float [[TMP3]], [[MUL25]]
; CHECK-NEXT: [[MUL29:%.*]] = fmul fast float [[TMP4]], [[MUL27]]
; CHECK-NEXT: [[ADD30]] = fadd fast float [[B_054]], [[MUL29]]
; CHECK-NEXT: [[INC]] = add i64 [[V_055]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INC]], [[SIZE]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_COND_FOR_END_CRIT_EDGE:%.*]]
; CHECK: for.cond.for.end_crit_edge:
; CHECK-NEXT: [[ADD30_LCSSA:%.*]] = phi float [ [[ADD30]], [[FOR_BODY]] ]
; CHECK-NEXT: [[ADD20_LCSSA:%.*]] = phi float [ [[ADD20]], [[FOR_BODY]] ]
; CHECK-NEXT: [[ADD10_LCSSA:%.*]] = phi float [ [[ADD10]], [[FOR_BODY]] ]
; CHECK-NEXT: [[PHITMP:%.*]] = fptoui float [[ADD10_LCSSA]] to i8
; CHECK-NEXT: [[PHITMP60:%.*]] = fptoui float [[ADD20_LCSSA]] to i8
; CHECK-NEXT: [[PHITMP61:%.*]] = fptoui float [[ADD30_LCSSA]] to i8
; CHECK-NEXT: br label [[FOR_END]]
; CHECK: for.end:
; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i8 [ [[PHITMP]], [[FOR_COND_FOR_END_CRIT_EDGE]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[G_0_LCSSA:%.*]] = phi i8 [ [[PHITMP60]], [[FOR_COND_FOR_END_CRIT_EDGE]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: [[B_0_LCSSA:%.*]] = phi i8 [ [[PHITMP61]], [[FOR_COND_FOR_END_CRIT_EDGE]] ], [ 0, [[ENTRY]] ]
; CHECK-NEXT: store i8 [[R_0_LCSSA]], i8* @r_, align 1
; CHECK-NEXT: store i8 [[G_0_LCSSA]], i8* @g_, align 1
; CHECK-NEXT: store i8 [[B_0_LCSSA]], i8* @b_, align 1
; CHECK-NEXT: ret void
;
entry:
%cmp53 = icmp eq i64 %size, 0
br i1 %cmp53, label %for.end, label %for.body.lr.ph
for.body.lr.ph:
br label %for.body
for.body:
%r.057 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add10, %for.body ]
%g.056 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add20, %for.body ]
%v.055 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
%b.054 = phi float [ 0.000000e+00, %for.body.lr.ph ], [ %add30, %for.body ]
%add = add i64 %v.055, %offset
%mul = mul i64 %add, 3
%arrayidx = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %mul
%0 = load float, float* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds [512 x float], [512 x float]* @kernel, i64 0, i64 %v.055
%1 = load float, float* %arrayidx2, align 4
%mul3 = fmul fast float %0, %1
%arrayidx4 = getelementptr inbounds [512 x float], [512 x float]* @kernel2, i64 0, i64 %v.055
%2 = load float, float* %arrayidx4, align 4
%mul5 = fmul fast float %mul3, %2
%arrayidx6 = getelementptr inbounds [512 x float], [512 x float]* @kernel3, i64 0, i64 %v.055
%3 = load float, float* %arrayidx6, align 4
%mul7 = fmul fast float %mul5, %3
%arrayidx8 = getelementptr inbounds [512 x float], [512 x float]* @kernel4, i64 0, i64 %v.055
%4 = load float, float* %arrayidx8, align 4
%mul9 = fmul fast float %mul7, %4
%add10 = fadd fast float %r.057, %mul9
%arrayidx.sum = add i64 %mul, 1
%arrayidx11 = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %arrayidx.sum
%5 = load float, float* %arrayidx11, align 4
%mul13 = fmul fast float %1, %5
%mul15 = fmul fast float %2, %mul13
%mul17 = fmul fast float %3, %mul15
%mul19 = fmul fast float %4, %mul17
%add20 = fadd fast float %g.056, %mul19
%arrayidx.sum52 = add i64 %mul, 2
%arrayidx21 = getelementptr inbounds [1536 x float], [1536 x float]* @src_data, i64 0, i64 %arrayidx.sum52
%6 = load float, float* %arrayidx21, align 4
%mul23 = fmul fast float %1, %6
%mul25 = fmul fast float %2, %mul23
%mul27 = fmul fast float %3, %mul25
%mul29 = fmul fast float %4, %mul27
%add30 = fadd fast float %b.054, %mul29
%inc = add i64 %v.055, 1
%exitcond = icmp ne i64 %inc, %size
br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge:
%add30.lcssa = phi float [ %add30, %for.body ]
%add20.lcssa = phi float [ %add20, %for.body ]
%add10.lcssa = phi float [ %add10, %for.body ]
%phitmp = fptoui float %add10.lcssa to i8
%phitmp60 = fptoui float %add20.lcssa to i8
%phitmp61 = fptoui float %add30.lcssa to i8
br label %for.end
for.end:
%r.0.lcssa = phi i8 [ %phitmp, %for.cond.for.end_crit_edge ], [ 0, %entry ]
%g.0.lcssa = phi i8 [ %phitmp60, %for.cond.for.end_crit_edge ], [ 0, %entry ]
%b.0.lcssa = phi i8 [ %phitmp61, %for.cond.for.end_crit_edge ], [ 0, %entry ]
store i8 %r.0.lcssa, i8* @r_, align 1
store i8 %g.0.lcssa, i8* @g_, align 1
store i8 %b.0.lcssa, i8* @b_, align 1
ret void
}