; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -slp-vectorizer -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -S | FileCheck %s ; Check no vectorization triggered with any portion of ; insertelement <8 x i32> instructions that build entire vector. ; Vectorization triggered by cost bias caused by subtracting ; the cost of entire "aggregate build" sequence while ; building vectorizable tree from only a portion of it. define void @test(i32* nocapture %t2) { ; CHECK-LABEL: @test( ; CHECK-NEXT: [[T3:%.*]] = load i32, i32* [[T2:%.*]], align 4 ; CHECK-NEXT: [[T4:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 7 ; CHECK-NEXT: [[T5:%.*]] = load i32, i32* [[T4]], align 4 ; CHECK-NEXT: [[T8:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 1 ; CHECK-NEXT: [[T9:%.*]] = load i32, i32* [[T8]], align 4 ; CHECK-NEXT: [[T10:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 6 ; CHECK-NEXT: [[T11:%.*]] = load i32, i32* [[T10]], align 4 ; CHECK-NEXT: [[T14:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 2 ; CHECK-NEXT: [[T15:%.*]] = load i32, i32* [[T14]], align 4 ; CHECK-NEXT: [[T16:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 5 ; CHECK-NEXT: [[T17:%.*]] = load i32, i32* [[T16]], align 4 ; CHECK-NEXT: [[T20:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 3 ; CHECK-NEXT: [[T21:%.*]] = load i32, i32* [[T20]], align 4 ; CHECK-NEXT: [[T22:%.*]] = getelementptr inbounds i32, i32* [[T2]], i64 4 ; CHECK-NEXT: [[T23:%.*]] = load i32, i32* [[T22]], align 4 ; CHECK-NEXT: [[T24:%.*]] = add nsw i32 [[T23]], [[T21]] ; CHECK-NEXT: [[T25:%.*]] = sub nsw i32 [[T21]], [[T23]] ; CHECK-NEXT: [[T27:%.*]] = sub nsw i32 [[T3]], [[T24]] ; CHECK-NEXT: [[T29:%.*]] = sub nsw i32 [[T9]], [[T15]] ; CHECK-NEXT: [[T30:%.*]] = add nsw i32 [[T27]], [[T29]] ; CHECK-NEXT: [[T31:%.*]] = mul nsw i32 [[T30]], 4433 ; CHECK-NEXT: [[T34:%.*]] = mul nsw i32 [[T29]], -15137 ; CHECK-NEXT: [[T37:%.*]] = add nsw i32 [[T25]], [[T11]] ; CHECK-NEXT: [[T38:%.*]] = add nsw i32 [[T17]], [[T5]] ; CHECK-NEXT: [[T39:%.*]] = add nsw i32 [[T37]], [[T38]] ; CHECK-NEXT: [[T40:%.*]] = mul nsw i32 [[T39]], 9633 ; CHECK-NEXT: [[T41:%.*]] = mul nsw i32 [[T25]], 2446 ; CHECK-NEXT: [[T42:%.*]] = mul nsw i32 [[T17]], 16819 ; CHECK-NEXT: [[T47:%.*]] = mul nsw i32 [[T37]], -16069 ; CHECK-NEXT: [[T48:%.*]] = mul nsw i32 [[T38]], -3196 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> poison, i32 [[T15]], i32 0 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[T40]], i32 1 ; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[T27]], i32 2 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[T47]], i32 3 ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x i32> <i32 poison, i32 poison, i32 6270, i32 poison>, i32 [[T9]], i32 0 ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> [[TMP5]], i32 [[T48]], i32 1 ; CHECK-NEXT: [[TMP7:%.*]] = insertelement <4 x i32> [[TMP6]], i32 [[T40]], i32 3 ; CHECK-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[TMP4]], [[TMP7]] ; CHECK-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP4]], [[TMP7]] ; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <4 x i32> [[TMP8]], <4 x i32> [[TMP9]], <4 x i32> <i32 0, i32 1, i32 6, i32 3> ; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <4 x i32> [[TMP10]], <4 x i32> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 0, i32 1, i32 undef, i32 3> ; CHECK-NEXT: [[T71:%.*]] = insertelement <8 x i32> [[TMP11]], i32 [[T34]], i32 6 ; CHECK-NEXT: [[T76:%.*]] = shl <8 x i32> [[T71]], <i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3> ; CHECK-NEXT: [[T79:%.*]] = bitcast i32* [[T2]] to <8 x i32>* ; CHECK-NEXT: store <8 x i32> [[T76]], <8 x i32>* [[T79]], align 4 ; CHECK-NEXT: ret void ; %t3 = load i32, i32* %t2, align 4 %t4 = getelementptr inbounds i32, i32* %t2, i64 7 %t5 = load i32, i32* %t4, align 4 %t8 = getelementptr inbounds i32, i32* %t2, i64 1 %t9 = load i32, i32* %t8, align 4 %t10 = getelementptr inbounds i32, i32* %t2, i64 6 %t11 = load i32, i32* %t10, align 4 %t14 = getelementptr inbounds i32, i32* %t2, i64 2 %t15 = load i32, i32* %t14, align 4 %t16 = getelementptr inbounds i32, i32* %t2, i64 5 %t17 = load i32, i32* %t16, align 4 %t20 = getelementptr inbounds i32, i32* %t2, i64 3 %t21 = load i32, i32* %t20, align 4 %t22 = getelementptr inbounds i32, i32* %t2, i64 4 %t23 = load i32, i32* %t22, align 4 %t24 = add nsw i32 %t23, %t21 %t25 = sub nsw i32 %t21, %t23 %t27 = sub nsw i32 %t3, %t24 %t28 = add nsw i32 %t15, %t9 %t29 = sub nsw i32 %t9, %t15 %t30 = add nsw i32 %t27, %t29 %t31 = mul nsw i32 %t30, 4433 %t32 = mul nsw i32 %t27, 6270 %t34 = mul nsw i32 %t29, -15137 %t37 = add nsw i32 %t25, %t11 %t38 = add nsw i32 %t17, %t5 %t39 = add nsw i32 %t37, %t38 %t40 = mul nsw i32 %t39, 9633 %t41 = mul nsw i32 %t25, 2446 %t42 = mul nsw i32 %t17, 16819 %t47 = mul nsw i32 %t37, -16069 %t48 = mul nsw i32 %t38, -3196 %t49 = add nsw i32 %t40, %t47 %t50 = add nsw i32 %t40, %t48 %t65 = insertelement <8 x i32> poison, i32 %t28, i32 0 %t66 = insertelement <8 x i32> %t65, i32 %t50, i32 1 %t67 = insertelement <8 x i32> %t66, i32 %t32, i32 2 %t68 = insertelement <8 x i32> %t67, i32 %t49, i32 3 %t69 = insertelement <8 x i32> %t68, i32 %t28, i32 4 %t70 = insertelement <8 x i32> %t69, i32 %t50, i32 5 %t71 = insertelement <8 x i32> %t70, i32 %t34, i32 6 %t72 = insertelement <8 x i32> %t71, i32 %t49, i32 7 %t76 = shl <8 x i32> %t72, <i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3> %t79 = bitcast i32* %t2 to <8 x i32>* store <8 x i32> %t76, <8 x i32>* %t79, align 4 ret void }