1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 5target triple = "x86_64-apple-macosx10.8.0" 6 7define i32 @foo(i32* nocapture %A, i32 %n, i32 %m) { 8; CHECK-LABEL: @foo( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i32> undef, i32 [[N:%.*]], i32 0 11; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> [[TMP0]], i32 [[N]], i32 1 12; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[N]], i32 2 13; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[N]], i32 3 14; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[TMP3]], <i32 5, i32 9, i32 3, i32 10> 15; CHECK-NEXT: [[TMP5:%.*]] = shl <4 x i32> [[TMP3]], <i32 5, i32 9, i32 3, i32 10> 16; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[TMP4]], <4 x i32> [[TMP5]], <4 x i32> <i32 0, i32 1, i32 6, i32 3> 17; CHECK-NEXT: [[TMP7:%.*]] = add nsw <4 x i32> [[TMP6]], <i32 9, i32 9, i32 9, i32 9> 18; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[A:%.*]] to <4 x i32>* 19; CHECK-NEXT: store <4 x i32> [[TMP7]], <4 x i32>* [[TMP8]], align 4 20; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i32> [[TMP7]], i32 0 21; CHECK-NEXT: [[EXTERNALUSE1:%.*]] = add nsw i32 [[TMP9]], [[M:%.*]] 22; CHECK-NEXT: [[EXTERNALUSE2:%.*]] = mul nsw i32 [[TMP9]], [[M]] 23; CHECK-NEXT: [[ADD10:%.*]] = add nsw i32 [[EXTERNALUSE1]], [[EXTERNALUSE2]] 24; CHECK-NEXT: ret i32 [[ADD10]] 25; 26entry: 27 %mul = mul nsw i32 %n, 5 28 %add = add nsw i32 %mul, 9 29 store i32 %add, i32* %A, align 4 30 %mul1 = mul nsw i32 %n, 9 31 %add2 = add nsw i32 %mul1, 9 32 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 1 33 store i32 %add2, i32* %arrayidx3, align 4 34 %mul4 = shl i32 %n, 3 35 %add5 = add nsw i32 %mul4, 9 36 %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 2 37 store i32 %add5, i32* %arrayidx6, align 4 38 %mul7 = mul nsw i32 %n, 10 39 %add8 = add nsw i32 %mul7, 9 40 %arrayidx9 = getelementptr inbounds i32, i32* %A, i64 3 41 store i32 %add8, i32* %arrayidx9, align 4 42 %externaluse1 = add nsw i32 %add, %m 43 %externaluse2 = mul nsw i32 %add, %m ; we should add the extract cost only once and the store will be vectorized 44 %add10 = add nsw i32 %externaluse1, %externaluse2 45 ret i32 %add10 46} 47