forked from OSchip/llvm-project
235 lines
8.0 KiB
LLVM
235 lines
8.0 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -instcombine -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128"
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; Make sure we order the operands of commutative operations so that we get
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; bigger vectorizable trees.
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; CHECK-LABEL: shuffle_operands1
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; CHECK: load <2 x double>
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; CHECK: fadd <2 x double>
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define void @shuffle_operands1(double * noalias %from, double * noalias %to,
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double %v1, double %v2) {
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %v0_1, %v1
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%v1_2 = fadd double %v2, %v0_2
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %v0_1, %p
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%v1_2 = fadd double %v0_1, %v0_2
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast2
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast2(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %p, %v0_1
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%v1_2 = fadd double %v0_2, %v0_1
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast3
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast3(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %p, %v0_1
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%v1_2 = fadd double %v0_1, %v0_2
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast4
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast4(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %v0_2, %v0_1
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%v1_2 = fadd double %p, %v0_1
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast5
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast5(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %v0_1, %v0_2
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%v1_2 = fadd double %p, %v0_1
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; CHECK-LABEL: shuffle_preserve_broadcast6
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; CHECK: %[[BCAST:[a-z0-9]+]] = insertelement <2 x double> undef, double %v0_1
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; CHECK: = insertelement <2 x double> %[[BCAST]], double %v0_1
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define void @shuffle_preserve_broadcast6(double * noalias %from,
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double * noalias %to,
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double %v1, double %v2) {
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entry:
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br label %lp
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lp:
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%p = phi double [ 1.000000e+00, %lp ], [ 0.000000e+00, %entry ]
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%from_1 = getelementptr double *%from, i64 1
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%v0_1 = load double * %from
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%v0_2 = load double * %from_1
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%v1_1 = fadd double %v0_1, %v0_2
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%v1_2 = fadd double %v0_1, %p
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%to_2 = getelementptr double * %to, i64 1
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store double %v1_1, double *%to
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store double %v1_2, double *%to_2
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br i1 undef, label %lp, label %ext
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ext:
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ret void
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}
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; Make sure we don't scramble operands when we reorder them and destroy
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; 'good' source order.
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; CHECK-LABEL: good_load_order
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; CHECK: %[[V1:[0-9]+]] = load <4 x float>*
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; CHECK: %[[V2:[0-9]+]] = insertelement <4 x float> undef, float %1, i32 0
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; CHECK: %[[V3:[0-9]+]] = shufflevector <4 x float> %[[V2]], <4 x float> %[[V1]], <4 x i32> <i32 0, i32 4, i32 5, i32 6>
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; CHECK: = fmul <4 x float> %[[V1]], %[[V3]]
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@a = common global [32000 x float] zeroinitializer, align 16
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define void @good_load_order() {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader:
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%0 = load float* getelementptr inbounds ([32000 x float]* @a, i64 0, i64 0), align 16
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br label %for.body3
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for.body3:
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%1 = phi float [ %0, %for.cond1.preheader ], [ %10, %for.body3 ]
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%indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
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%2 = add nsw i64 %indvars.iv, 1
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%arrayidx = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %2
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%3 = load float* %arrayidx, align 4
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%arrayidx5 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %indvars.iv
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%mul6 = fmul float %3, %1
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store float %mul6, float* %arrayidx5, align 4
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%4 = add nsw i64 %indvars.iv, 2
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%arrayidx11 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %4
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%5 = load float* %arrayidx11, align 4
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%mul15 = fmul float %5, %3
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store float %mul15, float* %arrayidx, align 4
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%6 = add nsw i64 %indvars.iv, 3
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%arrayidx21 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %6
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%7 = load float* %arrayidx21, align 4
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%mul25 = fmul float %7, %5
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store float %mul25, float* %arrayidx11, align 4
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%8 = add nsw i64 %indvars.iv, 4
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%arrayidx31 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %8
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%9 = load float* %arrayidx31, align 4
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%mul35 = fmul float %9, %7
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store float %mul35, float* %arrayidx21, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 5
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%arrayidx41 = getelementptr inbounds [32000 x float]* @a, i64 0, i64 %indvars.iv.next
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%10 = load float* %arrayidx41, align 4
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%mul45 = fmul float %10, %9
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store float %mul45, float* %arrayidx31, align 4
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%11 = trunc i64 %indvars.iv.next to i32
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%cmp2 = icmp slt i32 %11, 31995
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br i1 %cmp2, label %for.body3, label %for.end
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for.end:
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ret void
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}
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