1 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3 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" 4 target triple = "i386-apple-macosx10.9.0" 5 6 ;int foo(int *A, int n, int k) { 7 ; for (int i=0; i < 10000; i+=4) { 8 ; A[i] += n; 9 ; A[i+1] += k; 10 ; A[i+2] += n; 11 ; A[i+3] += k; 12 ; } 13 ;} 14 15 ; preheader: 16 ;CHECK: entry 17 ;CHECK-NEXT: insertelement 18 ;CHECK-NEXT: insertelement 19 ;CHECK-NEXT: insertelement 20 ;CHECK-NEXT: insertelement 21 ; loop body: 22 ;CHECK: phi 23 ;CHECK: load <4 x i32> 24 ;CHECK: add nsw <4 x i32> 25 ;CHECK: store <4 x i32> 26 ;CHECK: ret 27 define i32 @foo(i32* nocapture %A, i32 %n, i32 %k) { 28 entry: 29 br label %for.body 30 31 for.body: ; preds = %entry, %for.body 32 %i.024 = phi i32 [ 0, %entry ], [ %add10, %for.body ] 33 %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.024 34 %0 = load i32, i32* %arrayidx, align 4 35 %add = add nsw i32 %0, %n 36 store i32 %add, i32* %arrayidx, align 4 37 %add121 = or i32 %i.024, 1 38 %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add121 39 %1 = load i32, i32* %arrayidx2, align 4 40 %add3 = add nsw i32 %1, %k 41 store i32 %add3, i32* %arrayidx2, align 4 42 %add422 = or i32 %i.024, 2 43 %arrayidx5 = getelementptr inbounds i32, i32* %A, i32 %add422 44 %2 = load i32, i32* %arrayidx5, align 4 45 %add6 = add nsw i32 %2, %n 46 store i32 %add6, i32* %arrayidx5, align 4 47 %add723 = or i32 %i.024, 3 48 %arrayidx8 = getelementptr inbounds i32, i32* %A, i32 %add723 49 %3 = load i32, i32* %arrayidx8, align 4 50 %add9 = add nsw i32 %3, %k 51 store i32 %add9, i32* %arrayidx8, align 4 52 %add10 = add nsw i32 %i.024, 4 53 %cmp = icmp slt i32 %add10, 10000 54 br i1 %cmp, label %for.body, label %for.end 55 56 for.end: ; preds = %for.body 57 ret i32 undef 58 } 59 60
