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94 lines
5.1 KiB
94 lines
5.1 KiB
4 months ago
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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"
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target triple = "x86_64-unknown-linux-gnu"
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; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -bb-vectorize-ignore-target-info -instcombine -gvn -S | FileCheck %s
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; RUN: opt < %s -basicaa -loop-unroll -unroll-threshold=45 -unroll-allow-partial -bb-vectorize -bb-vectorize-req-chain-depth=3 -bb-vectorize-ignore-target-info -instcombine -gvn -S | FileCheck %s -check-prefix=CHECK-UNRL
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; The second check covers the use of alias analysis (with loop unrolling).
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define void @test1(double* noalias %out, double* noalias %in1, double* noalias %in2) nounwind uwtable {
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entry:
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br label %for.body
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; CHECK-LABEL: @test1(
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; CHECK-UNRL-LABEL: @test1(
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds double, double* %in1, i64 %indvars.iv
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%0 = load double, double* %arrayidx, align 8
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%arrayidx2 = getelementptr inbounds double, double* %in2, i64 %indvars.iv
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%1 = load double, double* %arrayidx2, align 8
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%mul = fmul double %0, %0
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%mul3 = fmul double %0, %1
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%add = fadd double %mul, %mul3
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%add4 = fadd double %1, %1
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%add5 = fadd double %add4, %0
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%mul6 = fmul double %0, %add5
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%add7 = fadd double %add, %mul6
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%mul8 = fmul double %1, %1
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%add9 = fadd double %0, %0
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%add10 = fadd double %add9, %0
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%mul11 = fmul double %mul8, %add10
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%add12 = fadd double %add7, %mul11
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%arrayidx14 = getelementptr inbounds double, double* %out, i64 %indvars.iv
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store double %add12, double* %arrayidx14, align 8
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 10
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br i1 %exitcond, label %for.end, label %for.body
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; CHECK: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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; CHECK: %arrayidx = getelementptr inbounds double, double* %in1, i64 %indvars.iv
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; CHECK: %0 = load double, double* %arrayidx, align 8
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; CHECK: %arrayidx2 = getelementptr inbounds double, double* %in2, i64 %indvars.iv
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; CHECK: %1 = load double, double* %arrayidx2, align 8
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; CHECK: %mul = fmul double %0, %0
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; CHECK: %mul3 = fmul double %0, %1
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; CHECK: %add = fadd double %mul, %mul3
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; CHECK: %mul8 = fmul double %1, %1
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; CHECK: %add4.v.i1.1 = insertelement <2 x double> undef, double %1, i32 0
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; CHECK: %add4.v.i1.2 = insertelement <2 x double> %add4.v.i1.1, double %0, i32 1
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; CHECK: %add4 = fadd <2 x double> %add4.v.i1.2, %add4.v.i1.2
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; CHECK: %add5.v.i1.1 = insertelement <2 x double> undef, double %0, i32 0
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; CHECK: %add5.v.i1.2 = insertelement <2 x double> %add5.v.i1.1, double %0, i32 1
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; CHECK: %add5 = fadd <2 x double> %add4, %add5.v.i1.2
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; CHECK: %mul6.v.i0.2 = insertelement <2 x double> %add5.v.i1.1, double %mul8, i32 1
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; CHECK: %mul6 = fmul <2 x double> %mul6.v.i0.2, %add5
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; CHECK: %mul6.v.r1 = extractelement <2 x double> %mul6, i32 0
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; CHECK: %mul6.v.r2 = extractelement <2 x double> %mul6, i32 1
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; CHECK: %add7 = fadd double %add, %mul6.v.r1
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; CHECK: %add12 = fadd double %add7, %mul6.v.r2
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; CHECK: %arrayidx14 = getelementptr inbounds double, double* %out, i64 %indvars.iv
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; CHECK: store double %add12, double* %arrayidx14, align 8
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; CHECK: %indvars.iv.next = add i64 %indvars.iv, 1
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; CHECK: %lftr.wideiv = trunc i64 %indvars.iv.next to i32
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; CHECK: %exitcond = icmp eq i32 %lftr.wideiv, 10
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; CHECK: br i1 %exitcond, label %for.end, label %for.body
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; CHECK-UNRL: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next.1, %for.body ]
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; CHECK-UNRL: %arrayidx = getelementptr inbounds double, double* %in1, i64 %indvars.iv
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; CHECK-UNRL: %0 = bitcast double* %arrayidx to <2 x double>*
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; CHECK-UNRL: %arrayidx2 = getelementptr inbounds double, double* %in2, i64 %indvars.iv
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; CHECK-UNRL: %1 = bitcast double* %arrayidx2 to <2 x double>*
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; CHECK-UNRL: %arrayidx14 = getelementptr inbounds double, double* %out, i64 %indvars.iv
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; CHECK-UNRL: %2 = load <2 x double>, <2 x double>* %0, align 8
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; CHECK-UNRL: %3 = load <2 x double>, <2 x double>* %1, align 8
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; CHECK-UNRL: %mul = fmul <2 x double> %2, %2
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; CHECK-UNRL: %mul3 = fmul <2 x double> %2, %3
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; CHECK-UNRL: %add = fadd <2 x double> %mul, %mul3
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; CHECK-UNRL: %add4 = fadd <2 x double> %3, %3
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; CHECK-UNRL: %add5 = fadd <2 x double> %add4, %2
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; CHECK-UNRL: %mul6 = fmul <2 x double> %2, %add5
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; CHECK-UNRL: %add7 = fadd <2 x double> %add, %mul6
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; CHECK-UNRL: %mul8 = fmul <2 x double> %3, %3
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; CHECK-UNRL: %add9 = fadd <2 x double> %2, %2
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; CHECK-UNRL: %add10 = fadd <2 x double> %add9, %2
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; CHECK-UNRL: %mul11 = fmul <2 x double> %mul8, %add10
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; CHECK-UNRL: %add12 = fadd <2 x double> %add7, %mul11
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; CHECK-UNRL: %4 = bitcast double* %arrayidx14 to <2 x double>*
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; CHECK-UNRL: store <2 x double> %add12, <2 x double>* %4, align 8
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; CHECK-UNRL: %indvars.iv.next.1 = add nsw i64 %indvars.iv, 2
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; CHECK-UNRL: %lftr.wideiv.1 = trunc i64 %indvars.iv.next.1 to i32
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; CHECK-UNRL: %exitcond.1 = icmp eq i32 %lftr.wideiv.1, 10
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; CHECK-UNRL: br i1 %exitcond.1, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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}
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