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|
; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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"
target triple = "i386-apple-macosx10.9.0"
;int foo(double *A, int k) {
; double A0;
; double A1;
; if (k) {
; A0 = 3;
; A1 = 5;
; } else {
; A0 = A[10];
; A1 = A[11];
; }
; A[0] = A0;
; A[1] = A1;
;}
;CHECK: i32 @foo
;CHECK: load <2 x double>
;CHECK: phi <2 x double>
;CHECK: store <2 x double>
;CHECK: ret i32 undef
define i32 @foo(double* nocapture %A, i32 %k) {
entry:
%tobool = icmp eq i32 %k, 0
br i1 %tobool, label %if.else, label %if.end
if.else: ; preds = %entry
%arrayidx = getelementptr inbounds double* %A, i64 10
%0 = load double* %arrayidx, align 8
%arrayidx1 = getelementptr inbounds double* %A, i64 11
%1 = load double* %arrayidx1, align 8
br label %if.end
if.end: ; preds = %entry, %if.else
%A0.0 = phi double [ %0, %if.else ], [ 3.000000e+00, %entry ]
%A1.0 = phi double [ %1, %if.else ], [ 5.000000e+00, %entry ]
store double %A0.0, double* %A, align 8
%arrayidx3 = getelementptr inbounds double* %A, i64 1
store double %A1.0, double* %arrayidx3, align 8
ret i32 undef
}
;int foo(double * restrict B, double * restrict A, int n, int m) {
; double R=A[1];
; double G=A[0];
; for (int i=0; i < 100; i++) {
; R += 10;
; G += 10;
; R *= 4;
; G *= 4;
; R += 4;
; G += 4;
; }
; B[0] = G;
; B[1] = R;
; return 0;
;}
;CHECK: foo2
;CHECK: load <2 x double>
;CHECK: phi <2 x double>
;CHECK: fmul <2 x double>
;CHECK: store <2 x double>
;CHECK: ret
define i32 @foo2(double* noalias nocapture %B, double* noalias nocapture %A, i32 %n, i32 %m) #0 {
entry:
%arrayidx = getelementptr inbounds double* %A, i64 1
%0 = load double* %arrayidx, align 8
%1 = load double* %A, align 8
br label %for.body
for.body: ; preds = %for.body, %entry
%i.019 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%G.018 = phi double [ %1, %entry ], [ %add5, %for.body ]
%R.017 = phi double [ %0, %entry ], [ %add4, %for.body ]
%add = fadd double %R.017, 1.000000e+01
%add2 = fadd double %G.018, 1.000000e+01
%mul = fmul double %add, 4.000000e+00
%mul3 = fmul double %add2, 4.000000e+00
%add4 = fadd double %mul, 4.000000e+00
%add5 = fadd double %mul3, 4.000000e+00
%inc = add nsw i32 %i.019, 1
%exitcond = icmp eq i32 %inc, 100
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body
store double %add5, double* %B, align 8
%arrayidx7 = getelementptr inbounds double* %B, i64 1
store double %add4, double* %arrayidx7, align 8
ret i32 0
}
; float foo3(float *A) {
;
; float R = A[0];
; float G = A[1];
; float B = A[2];
; float Y = A[3];
; float P = A[4];
; for (int i=0; i < 121; i+=3) {
; R+=A[i+0]*7;
; G+=A[i+1]*8;
; B+=A[i+2]*9;
; Y+=A[i+3]*10;
; P+=A[i+4]*11;
; }
;
; return R+G+B+Y+P;
; }
;CHECK: foo3
;CHECK: phi <4 x float>
;CHECK: fmul <4 x float>
;CHECK: fadd <4 x float>
;CHECK-NOT: phi <5 x float>
;CHECK-NOT: fmul <5 x float>
;CHECK-NOT: fadd <5 x float>
define float @foo3(float* nocapture readonly %A) #0 {
entry:
%0 = load float* %A, align 4
%arrayidx1 = getelementptr inbounds float* %A, i64 1
%1 = load float* %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds float* %A, i64 2
%2 = load float* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds float* %A, i64 3
%3 = load float* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds float* %A, i64 4
%4 = load float* %arrayidx4, align 4
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%P.056 = phi float [ %4, %entry ], [ %add26, %for.body ]
%Y.055 = phi float [ %3, %entry ], [ %add21, %for.body ]
%B.054 = phi float [ %2, %entry ], [ %add16, %for.body ]
%G.053 = phi float [ %1, %entry ], [ %add11, %for.body ]
%R.052 = phi float [ %0, %entry ], [ %add6, %for.body ]
%5 = phi float [ %1, %entry ], [ %11, %for.body ]
%6 = phi float [ %0, %entry ], [ %9, %for.body ]
%mul = fmul float %6, 7.000000e+00
%add6 = fadd float %R.052, %mul
%mul10 = fmul float %5, 8.000000e+00
%add11 = fadd float %G.053, %mul10
%7 = add nsw i64 %indvars.iv, 2
%arrayidx14 = getelementptr inbounds float* %A, i64 %7
%8 = load float* %arrayidx14, align 4
%mul15 = fmul float %8, 9.000000e+00
%add16 = fadd float %B.054, %mul15
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 3
%arrayidx19 = getelementptr inbounds float* %A, i64 %indvars.iv.next
%9 = load float* %arrayidx19, align 4
%mul20 = fmul float %9, 1.000000e+01
%add21 = fadd float %Y.055, %mul20
%10 = add nsw i64 %indvars.iv, 4
%arrayidx24 = getelementptr inbounds float* %A, i64 %10
%11 = load float* %arrayidx24, align 4
%mul25 = fmul float %11, 1.100000e+01
%add26 = fadd float %P.056, %mul25
%12 = trunc i64 %indvars.iv.next to i32
%cmp = icmp slt i32 %12, 121
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body
%add28 = fadd float %add6, %add11
%add29 = fadd float %add28, %add16
%add30 = fadd float %add29, %add21
%add31 = fadd float %add30, %add26
ret float %add31
}
; Make sure the order of phi nodes of different types does not prevent
; vectorization of same typed phi nodes.
; CHECK-LABEL: sort_phi_type
; CHECK: phi <4 x float>
; CHECK: fmul <4 x float>
define float @sort_phi_type(float* nocapture readonly %A) {
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%Y = phi float [ 1.000000e+01, %entry ], [ %mul10, %for.body ]
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%B = phi float [ 1.000000e+01, %entry ], [ %mul15, %for.body ]
%G = phi float [ 1.000000e+01, %entry ], [ %mul20, %for.body ]
%R = phi float [ 1.000000e+01, %entry ], [ %mul25, %for.body ]
%mul10 = fmul float %Y, 8.000000e+00
%mul15 = fmul float %B, 9.000000e+00
%mul20 = fmul float %R, 10.000000e+01
%mul25 = fmul float %G, 11.100000e+01
%indvars.iv.next = add nsw i64 %indvars.iv, 4
%cmp = icmp slt i64 %indvars.iv.next, 128
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.body
%add28 = fadd float 1.000000e+01, %mul10
%add29 = fadd float %mul10, %mul15
%add30 = fadd float %add29, %mul20
%add31 = fadd float %add30, %mul25
ret float %add31
}
define void @test(x86_fp80* %i1, x86_fp80* %i2, x86_fp80* %o) {
; CHECK-LABEL: @test(
;
; Test that we correctly recognize the discontiguous memory in arrays where the
; size is less than the alignment, and through various different GEP formations.
;
; We disable the vectorization of x86_fp80 for now.
entry:
%i1.0 = load x86_fp80* %i1, align 16
%i1.gep1 = getelementptr x86_fp80* %i1, i64 1
%i1.1 = load x86_fp80* %i1.gep1, align 16
; CHECK: load x86_fp80*
; CHECK: load x86_fp80*
; CHECK-NOT: insertelement <2 x x86_fp80>
; CHECK_NOT: insertelement <2 x x86_fp80>
br i1 undef, label %then, label %end
then:
%i2.gep0 = getelementptr inbounds x86_fp80* %i2, i64 0
%i2.0 = load x86_fp80* %i2.gep0, align 16
%i2.gep1 = getelementptr inbounds x86_fp80* %i2, i64 1
%i2.1 = load x86_fp80* %i2.gep1, align 16
; CHECK: load x86_fp80*
; CHECK: load x86_fp80*
; CHECK-NOT: insertelement <2 x x86_fp80>
; CHECK-NOT: insertelement <2 x x86_fp80>
br label %end
end:
%phi0 = phi x86_fp80 [ %i1.0, %entry ], [ %i2.0, %then ]
%phi1 = phi x86_fp80 [ %i1.1, %entry ], [ %i2.1, %then ]
; CHECK-NOT: phi <2 x x86_fp80>
; CHECK-NOT: extractelement <2 x x86_fp80>
; CHECK-NOT: extractelement <2 x x86_fp80>
store x86_fp80 %phi0, x86_fp80* %o, align 16
%o.gep1 = getelementptr inbounds x86_fp80* %o, i64 1
store x86_fp80 %phi1, x86_fp80* %o.gep1, align 16
ret void
}
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