forked from OSchip/llvm-project
[ARM] add loop vectorizer test based on 482.sphinx3 from SPEC2006; NFC
This is a slight reduction of one of the benchmarks that suffered with D43079. Cost model changes should not cause this test to remain scalarized. llvm-svn: 326221
This commit is contained in:
Sanjay Patel
parent
d70f5a0eb4
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8529dd5ee1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loop-vectorize -mtriple=thumbv8-unknown-unknown -mcpu=cortex-a53 -S | FileCheck %s
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; This test is reduced from SPECFP 2006 482.sphinx.
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; We expect vectorization with <2 x double> and <2 x float> ops.
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; See https://bugs.llvm.org/show_bug.cgi?id=36280 for more details.
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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@a = external global i32
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@v = external global i32
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@mm = external global float**
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@vv = external global float**
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@ll = external global float*
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define i32 @test(float* nocapture readonly %x) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[T:%.*]] = load i32, i32* @v, align 8
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; CHECK-NEXT: [[T1:%.*]] = load i32, i32* @a, align 4
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; CHECK-NEXT: br label [[OUTERLOOP:%.*]]
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; CHECK: outerloop:
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; CHECK-NEXT: [[T2:%.*]] = phi i32 [ [[V17:%.*]], [[OUTEREND:%.*]] ], [ [[T1]], [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[J_0136:%.*]] = phi i32 [ [[INC144:%.*]], [[OUTEREND]] ], [ 0, [[ENTRY]] ]
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; CHECK-NEXT: [[SCORE_1135:%.*]] = phi i32 [ [[CALL142:%.*]], [[OUTEREND]] ], [ -939524096, [[ENTRY]] ]
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; CHECK-NEXT: [[T3:%.*]] = load float**, float*** @mm, align 4
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; CHECK-NEXT: [[ARRAYIDX109:%.*]] = getelementptr inbounds float*, float** [[T3]], i32 [[T2]]
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; CHECK-NEXT: [[T4:%.*]] = load float*, float** [[ARRAYIDX109]], align 4
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; CHECK-NEXT: [[T5:%.*]] = load float**, float*** @vv, align 4
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; CHECK-NEXT: [[ARRAYIDX111:%.*]] = getelementptr inbounds float*, float** [[T5]], i32 [[T2]]
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; CHECK-NEXT: [[T6:%.*]] = load float*, float** [[ARRAYIDX111]], align 4
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; CHECK-NEXT: [[T7:%.*]] = load float*, float** @ll, align 4
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; CHECK-NEXT: [[ARRAYIDX113:%.*]] = getelementptr inbounds float, float* [[T7]], i32 [[T2]]
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; CHECK-NEXT: [[T8:%.*]] = load float, float* [[ARRAYIDX113]], align 4
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; CHECK-NEXT: [[CONV114:%.*]] = fpext float [[T8]] to double
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[T]], 2
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[T]], 2
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[T]], [[N_MOD_VF]]
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; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x double> zeroinitializer, double [[CONV114]], i32 0
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x double> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> undef, i32 [[INDEX]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> undef, <2 x i32> zeroinitializer
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; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], <i32 0, i32 1>
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; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 0
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[X:%.*]], i32 [[TMP1]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr float, float* [[TMP2]], i32 0
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP4]], align 4
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[T4]], i32 [[TMP1]]
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr float, float* [[TMP5]], i32 0
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <2 x float>*
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; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x float>, <2 x float>* [[TMP7]], align 4
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; CHECK-NEXT: [[TMP8:%.*]] = fsub fast <2 x float> [[WIDE_LOAD]], [[WIDE_LOAD1]]
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; CHECK-NEXT: [[TMP9:%.*]] = fpext <2 x float> [[TMP8]] to <2 x double>
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; CHECK-NEXT: [[TMP10:%.*]] = fmul fast <2 x double> [[TMP9]], [[TMP9]]
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[T6]], i32 [[TMP1]]
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; CHECK-NEXT: [[TMP12:%.*]] = getelementptr float, float* [[TMP11]], i32 0
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; CHECK-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP12]] to <2 x float>*
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; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <2 x float>, <2 x float>* [[TMP13]], align 4
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; CHECK-NEXT: [[TMP14:%.*]] = fpext <2 x float> [[WIDE_LOAD2]] to <2 x double>
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; CHECK-NEXT: [[TMP15:%.*]] = fmul fast <2 x double> [[TMP10]], [[TMP14]]
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; CHECK-NEXT: [[TMP16]] = fsub fast <2 x double> [[VEC_PHI]], [[TMP15]]
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; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
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; CHECK: middle.block:
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; CHECK-NEXT: [[RDX_SHUF:%.*]] = shufflevector <2 x double> [[TMP16]], <2 x double> undef, <2 x i32> <i32 1, i32 undef>
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; CHECK-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x double> [[TMP16]], [[RDX_SHUF]]
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; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x double> [[BIN_RDX]], i32 0
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[T]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[OUTEREND]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[OUTERLOOP]] ]
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; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi double [ [[CONV114]], [[OUTERLOOP]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: br label [[INNERLOOP:%.*]]
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; CHECK: innerloop:
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; CHECK-NEXT: [[I_2132:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC129:%.*]], [[INNERLOOP]] ]
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; CHECK-NEXT: [[DVAL1_4131:%.*]] = phi double [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[SUB127:%.*]], [[INNERLOOP]] ]
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; CHECK-NEXT: [[ARRAYIDX119:%.*]] = getelementptr inbounds float, float* [[X]], i32 [[I_2132]]
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; CHECK-NEXT: [[T9:%.*]] = load float, float* [[ARRAYIDX119]], align 4
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; CHECK-NEXT: [[ARRAYIDX120:%.*]] = getelementptr inbounds float, float* [[T4]], i32 [[I_2132]]
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; CHECK-NEXT: [[T10:%.*]] = load float, float* [[ARRAYIDX120]], align 4
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; CHECK-NEXT: [[SUB121:%.*]] = fsub fast float [[T9]], [[T10]]
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; CHECK-NEXT: [[CONV122:%.*]] = fpext float [[SUB121]] to double
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; CHECK-NEXT: [[MUL123:%.*]] = fmul fast double [[CONV122]], [[CONV122]]
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; CHECK-NEXT: [[ARRAYIDX124:%.*]] = getelementptr inbounds float, float* [[T6]], i32 [[I_2132]]
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; CHECK-NEXT: [[T11:%.*]] = load float, float* [[ARRAYIDX124]], align 4
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; CHECK-NEXT: [[CONV125:%.*]] = fpext float [[T11]] to double
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; CHECK-NEXT: [[MUL126:%.*]] = fmul fast double [[MUL123]], [[CONV125]]
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; CHECK-NEXT: [[SUB127]] = fsub fast double [[DVAL1_4131]], [[MUL126]]
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; CHECK-NEXT: [[INC129]] = add nuw nsw i32 [[I_2132]], 1
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; CHECK-NEXT: [[EXITCOND143:%.*]] = icmp eq i32 [[INC129]], [[T]]
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; CHECK-NEXT: br i1 [[EXITCOND143]], label [[OUTEREND]], label [[INNERLOOP]], !llvm.loop !2
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; CHECK: outerend:
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; CHECK-NEXT: [[SUB127_LCSSA:%.*]] = phi double [ [[SUB127]], [[INNERLOOP]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
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; CHECK-NEXT: [[CONV138:%.*]] = fptosi double [[SUB127_LCSSA]] to i32
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; CHECK-NEXT: [[CALL142]] = add nuw nsw i32 [[SCORE_1135]], [[CONV138]]
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; CHECK-NEXT: [[INC144]] = add nuw nsw i32 [[J_0136]], 1
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; CHECK-NEXT: [[ARRAYIDX102:%.*]] = getelementptr inbounds i32, i32* @a, i32 [[INC144]]
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; CHECK-NEXT: [[V17]] = load i32, i32* [[ARRAYIDX102]], align 4
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; CHECK-NEXT: [[CMP103:%.*]] = icmp sgt i32 [[V17]], -1
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; CHECK-NEXT: br i1 [[CMP103]], label [[OUTERLOOP]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret i32 [[CALL142]]
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;
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entry:
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%t = load i32, i32* @v, align 8
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%t1 = load i32, i32* @a, align 4
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br label %outerloop
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outerloop:
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%t2 = phi i32 [ %v17, %outerend ], [ %t1, %entry ]
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%j.0136 = phi i32 [ %inc144, %outerend ], [ 0, %entry ]
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%score.1135 = phi i32 [ %call142, %outerend ], [ -939524096, %entry ]
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%t3 = load float**, float*** @mm, align 4
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%arrayidx109 = getelementptr inbounds float*, float** %t3, i32 %t2
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%t4 = load float*, float** %arrayidx109, align 4
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%t5 = load float**, float*** @vv, align 4
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%arrayidx111 = getelementptr inbounds float*, float** %t5, i32 %t2
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%t6 = load float*, float** %arrayidx111, align 4
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%t7 = load float*, float** @ll, align 4
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%arrayidx113 = getelementptr inbounds float, float* %t7, i32 %t2
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%t8 = load float, float* %arrayidx113, align 4
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%conv114 = fpext float %t8 to double
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br label %innerloop
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innerloop:
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%i.2132 = phi i32 [ 0, %outerloop ], [ %inc129, %innerloop ]
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%dval1.4131 = phi double [ %conv114, %outerloop ], [ %sub127, %innerloop ]
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%arrayidx119 = getelementptr inbounds float, float* %x, i32 %i.2132
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%t9 = load float, float* %arrayidx119, align 4
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%arrayidx120 = getelementptr inbounds float, float* %t4, i32 %i.2132
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%t10 = load float, float* %arrayidx120, align 4
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%sub121 = fsub fast float %t9, %t10
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%conv122 = fpext float %sub121 to double
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%mul123 = fmul fast double %conv122, %conv122
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%arrayidx124 = getelementptr inbounds float, float* %t6, i32 %i.2132
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%t11 = load float, float* %arrayidx124, align 4
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%conv125 = fpext float %t11 to double
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%mul126 = fmul fast double %mul123, %conv125
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%sub127 = fsub fast double %dval1.4131, %mul126
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%inc129 = add nuw nsw i32 %i.2132, 1
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%exitcond143 = icmp eq i32 %inc129, %t
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br i1 %exitcond143, label %outerend, label %innerloop
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outerend:
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%sub127.lcssa = phi double [ %sub127, %innerloop ]
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%conv138 = fptosi double %sub127.lcssa to i32
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%call142 = add nuw nsw i32 %score.1135, %conv138
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%inc144 = add nuw nsw i32 %j.0136, 1
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%arrayidx102 = getelementptr inbounds i32, i32* @a, i32 %inc144
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%v17 = load i32, i32* %arrayidx102, align 4
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%cmp103 = icmp sgt i32 %v17, -1
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br i1 %cmp103, label %outerloop, label %exit
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exit:
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ret i32 %call142
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}
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