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; RUN: opt < %s -basicaa -slp-vectorizer -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
}
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