forked from OSchip/llvm-project
98 lines
2.8 KiB
LLVM
98 lines
2.8 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -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* %A, i64 10
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%0 = load double* %arrayidx, align 8
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%arrayidx1 = getelementptr inbounds double* %A, i64 11
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%1 = load 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* %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* %A, i64 1
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%0 = load double* %arrayidx, align 8
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%1 = load 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* %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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