249 lines
8.3 KiB
LLVM
249 lines
8.3 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -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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target triple = "i386-apple-macosx10.9.0"
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;int foo(double *A, int k) {
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; double A0;
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; double A1;
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; if (k) {
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; A0 = 3;
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; A1 = 5;
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; } else {
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; A0 = A[10];
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; A1 = A[11];
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; }
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; A[0] = A0;
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; A[1] = A1;
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;}
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;CHECK: i32 @foo
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;CHECK: load <2 x double>
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;CHECK: phi <2 x double>
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;CHECK: store <2 x double>
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;CHECK: ret i32 undef
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define i32 @foo(double* nocapture %A, i32 %k) {
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entry:
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%tobool = icmp eq i32 %k, 0
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br i1 %tobool, label %if.else, label %if.end
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if.else: ; preds = %entry
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%arrayidx = getelementptr inbounds double, double* %A, i64 10
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%0 = load double, double* %arrayidx, align 8
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%arrayidx1 = getelementptr inbounds double, double* %A, i64 11
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%1 = load double, double* %arrayidx1, align 8
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br label %if.end
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if.end: ; preds = %entry, %if.else
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%A0.0 = phi double [ %0, %if.else ], [ 3.000000e+00, %entry ]
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%A1.0 = phi double [ %1, %if.else ], [ 5.000000e+00, %entry ]
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store double %A0.0, double* %A, align 8
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%arrayidx3 = getelementptr inbounds double, double* %A, i64 1
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store double %A1.0, double* %arrayidx3, align 8
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ret i32 undef
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}
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;int foo(double * restrict B, double * restrict A, int n, int m) {
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; double R=A[1];
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; double G=A[0];
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; for (int i=0; i < 100; i++) {
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; R += 10;
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; G += 10;
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; R *= 4;
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; G *= 4;
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; R += 4;
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; G += 4;
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; }
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; B[0] = G;
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; B[1] = R;
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; return 0;
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;}
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;CHECK: foo2
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;CHECK: load <2 x double>
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;CHECK: phi <2 x double>
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;CHECK: fmul <2 x double>
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;CHECK: store <2 x double>
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;CHECK: ret
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define i32 @foo2(double* noalias nocapture %B, double* noalias nocapture %A, i32 %n, i32 %m) #0 {
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entry:
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%arrayidx = getelementptr inbounds double, double* %A, i64 1
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%0 = load double, double* %arrayidx, align 8
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%1 = load double, double* %A, align 8
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.019 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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%G.018 = phi double [ %1, %entry ], [ %add5, %for.body ]
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%R.017 = phi double [ %0, %entry ], [ %add4, %for.body ]
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%add = fadd double %R.017, 1.000000e+01
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%add2 = fadd double %G.018, 1.000000e+01
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%mul = fmul double %add, 4.000000e+00
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%mul3 = fmul double %add2, 4.000000e+00
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%add4 = fadd double %mul, 4.000000e+00
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%add5 = fadd double %mul3, 4.000000e+00
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%inc = add nsw i32 %i.019, 1
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%exitcond = icmp eq i32 %inc, 100
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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store double %add5, double* %B, align 8
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%arrayidx7 = getelementptr inbounds double, double* %B, i64 1
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store double %add4, double* %arrayidx7, align 8
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ret i32 0
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}
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; float foo3(float *A) {
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;
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; float R = A[0];
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; float G = A[1];
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; float B = A[2];
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; float Y = A[3];
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; float P = A[4];
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; for (int i=0; i < 121; i+=3) {
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; R+=A[i+0]*7;
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; G+=A[i+1]*8;
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; B+=A[i+2]*9;
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; Y+=A[i+3]*10;
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; P+=A[i+4]*11;
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; }
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;
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; return R+G+B+Y+P;
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; }
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;CHECK: foo3
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;CHECK: phi <4 x float>
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;CHECK: fmul <4 x float>
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;CHECK: fadd <4 x float>
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;CHECK-NOT: phi <5 x float>
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;CHECK-NOT: fmul <5 x float>
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;CHECK-NOT: fadd <5 x float>
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define float @foo3(float* nocapture readonly %A) #0 {
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entry:
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%0 = load float, float* %A, align 4
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%arrayidx1 = getelementptr inbounds float, float* %A, i64 1
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%1 = load float, float* %arrayidx1, align 4
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%arrayidx2 = getelementptr inbounds float, float* %A, i64 2
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%2 = load float, float* %arrayidx2, align 4
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%arrayidx3 = getelementptr inbounds float, float* %A, i64 3
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%3 = load float, float* %arrayidx3, align 4
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%arrayidx4 = getelementptr inbounds float, float* %A, i64 4
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%4 = load float, float* %arrayidx4, align 4
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br label %for.body
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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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%P.056 = phi float [ %4, %entry ], [ %add26, %for.body ]
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%Y.055 = phi float [ %3, %entry ], [ %add21, %for.body ]
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%B.054 = phi float [ %2, %entry ], [ %add16, %for.body ]
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%G.053 = phi float [ %1, %entry ], [ %add11, %for.body ]
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%R.052 = phi float [ %0, %entry ], [ %add6, %for.body ]
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%5 = phi float [ %1, %entry ], [ %11, %for.body ]
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%6 = phi float [ %0, %entry ], [ %9, %for.body ]
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%mul = fmul float %6, 7.000000e+00
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%add6 = fadd float %R.052, %mul
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%mul10 = fmul float %5, 8.000000e+00
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%add11 = fadd float %G.053, %mul10
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%7 = add nsw i64 %indvars.iv, 2
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%arrayidx14 = getelementptr inbounds float, float* %A, i64 %7
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%8 = load float, float* %arrayidx14, align 4
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%mul15 = fmul float %8, 9.000000e+00
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%add16 = fadd float %B.054, %mul15
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 3
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%arrayidx19 = getelementptr inbounds float, float* %A, i64 %indvars.iv.next
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%9 = load float, float* %arrayidx19, align 4
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%mul20 = fmul float %9, 1.000000e+01
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%add21 = fadd float %Y.055, %mul20
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%10 = add nsw i64 %indvars.iv, 4
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%arrayidx24 = getelementptr inbounds float, float* %A, i64 %10
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%11 = load float, float* %arrayidx24, align 4
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%mul25 = fmul float %11, 1.100000e+01
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%add26 = fadd float %P.056, %mul25
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%12 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp slt i32 %12, 121
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.body
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%add28 = fadd float %add6, %add11
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%add29 = fadd float %add28, %add16
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%add30 = fadd float %add29, %add21
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%add31 = fadd float %add30, %add26
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ret float %add31
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}
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; Make sure the order of phi nodes of different types does not prevent
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; vectorization of same typed phi nodes.
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; CHECK-LABEL: sort_phi_type
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; CHECK: phi <4 x float>
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; CHECK: fmul <4 x float>
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define float @sort_phi_type(float* nocapture readonly %A) {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%Y = phi float [ 1.000000e+01, %entry ], [ %mul10, %for.body ]
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%B = phi float [ 1.000000e+01, %entry ], [ %mul15, %for.body ]
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%G = phi float [ 1.000000e+01, %entry ], [ %mul20, %for.body ]
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%R = phi float [ 1.000000e+01, %entry ], [ %mul25, %for.body ]
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%mul10 = fmul float %Y, 8.000000e+00
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%mul15 = fmul float %B, 9.000000e+00
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%mul20 = fmul float %R, 10.000000e+01
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%mul25 = fmul float %G, 11.100000e+01
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%indvars.iv.next = add nsw i64 %indvars.iv, 4
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%cmp = icmp slt i64 %indvars.iv.next, 128
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br i1 %cmp, label %for.body, label %for.end
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for.end: ; preds = %for.body
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%add28 = fadd float 1.000000e+01, %mul10
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%add29 = fadd float %mul10, %mul15
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%add30 = fadd float %add29, %mul20
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%add31 = fadd float %add30, %mul25
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ret float %add31
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}
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define void @test(x86_fp80* %i1, x86_fp80* %i2, x86_fp80* %o) {
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; CHECK-LABEL: @test(
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;
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; Test that we correctly recognize the discontiguous memory in arrays where the
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; size is less than the alignment, and through various different GEP formations.
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;
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; We disable the vectorization of x86_fp80 for now.
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entry:
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%i1.0 = load x86_fp80, x86_fp80* %i1, align 16
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%i1.gep1 = getelementptr x86_fp80, x86_fp80* %i1, i64 1
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%i1.1 = load x86_fp80, x86_fp80* %i1.gep1, align 16
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; CHECK: load x86_fp80, x86_fp80*
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; CHECK: load x86_fp80, x86_fp80*
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; CHECK-NOT: insertelement <2 x x86_fp80>
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; CHECK-NOT: insertelement <2 x x86_fp80>
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br i1 undef, label %then, label %end
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then:
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%i2.gep0 = getelementptr inbounds x86_fp80, x86_fp80* %i2, i64 0
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%i2.0 = load x86_fp80, x86_fp80* %i2.gep0, align 16
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%i2.gep1 = getelementptr inbounds x86_fp80, x86_fp80* %i2, i64 1
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%i2.1 = load x86_fp80, x86_fp80* %i2.gep1, align 16
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; CHECK: load x86_fp80, x86_fp80*
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; CHECK: load x86_fp80, x86_fp80*
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; CHECK-NOT: insertelement <2 x x86_fp80>
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; CHECK-NOT: insertelement <2 x x86_fp80>
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br label %end
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end:
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%phi0 = phi x86_fp80 [ %i1.0, %entry ], [ %i2.0, %then ]
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%phi1 = phi x86_fp80 [ %i1.1, %entry ], [ %i2.1, %then ]
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; CHECK-NOT: phi <2 x x86_fp80>
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; CHECK-NOT: extractelement <2 x x86_fp80>
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; CHECK-NOT: extractelement <2 x x86_fp80>
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store x86_fp80 %phi0, x86_fp80* %o, align 16
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%o.gep1 = getelementptr inbounds x86_fp80, x86_fp80* %o, i64 1
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store x86_fp80 %phi1, x86_fp80* %o.gep1, align 16
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ret void
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}
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