1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -mtriple=x86_64 -mcpu=skylake-avx512 -passes=slp-vectorizer -pass-remarks-output=%t < %s | FileCheck %s 3; RUN: FileCheck --input-file=%t --check-prefix=YAML %s 4 5define i32 @test(ptr noalias %p, ptr noalias %addr) { 6; CHECK-LABEL: @test( 7; CHECK-NEXT: entry: 8; CHECK-NEXT: [[TMP0:%.*]] = insertelement <8 x ptr> poison, ptr [[ADDR:%.*]], i32 0 9; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <8 x ptr> [[TMP0]], <8 x ptr> poison, <8 x i32> zeroinitializer 10; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i32, <8 x ptr> [[TMP1]], <8 x i32> <i32 3, i32 1, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15> 11; CHECK-NEXT: [[TMP3:%.*]] = call <8 x i32> @llvm.masked.gather.v8i32.v8p0(<8 x ptr> [[TMP2]], i32 8, <8 x i1> splat (i1 true), <8 x i32> poison) 12; CHECK-NEXT: [[TMP4:%.*]] = insertelement <8 x ptr> poison, ptr [[P:%.*]], i32 0 13; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <8 x ptr> [[TMP4]], <8 x ptr> poison, <8 x i32> zeroinitializer 14; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i32, <8 x ptr> [[TMP5]], <8 x i32> [[TMP3]] 15; CHECK-NEXT: [[TMP7:%.*]] = call <8 x i32> @llvm.masked.gather.v8i32.v8p0(<8 x ptr> [[TMP6]], i32 4, <8 x i1> splat (i1 true), <8 x i32> poison) 16; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP7]]) 17; CHECK-NEXT: ret i32 [[TMP8]] 18; 19; YAML: --- !Passed 20 ; YAML-NEXT: Pass: slp-vectorizer 21 ; YAML-NEXT: Name: VectorizedHorizontalReduction 22 ; YAML-NEXT: Function: test 23 ; YAML-NEXT: Args: 24 ; YAML-NEXT: - String: 'Vectorized horizontal reduction with cost ' 25 ; YAML-NEXT: - Cost: '-1' 26 ; YAML-NEXT: - String: ' and with tree size ' 27 ; YAML-NEXT: - TreeSize: '8' 28entry: 29 %off0.1 = getelementptr inbounds i32, ptr %addr, i32 1 30 %idx0 = load i32, ptr %off0.1, align 8 31 %gep0 = getelementptr inbounds i32, ptr %p, i32 %idx0 32 %ld0 = load i32, ptr %gep0, align 4 33 34 %off1.3 = getelementptr inbounds i32, ptr %addr, i32 3 35 %idx1 = load i32, ptr %off1.3, align 8 36 %gep1 = getelementptr inbounds i32, ptr %p, i32 %idx1 37 %ld1 = load i32, ptr %gep1, align 4 38 39 %off2.5 = getelementptr inbounds i32, ptr %addr, i32 5 40 %idx2 = load i32, ptr %off2.5, align 8 41 %gep2 = getelementptr inbounds i32, ptr %p, i32 %idx2 42 %ld2 = load i32, ptr %gep2, align 4 43 44 %off3.7 = getelementptr inbounds i32, ptr %addr, i32 7 45 %idx3 = load i32, ptr %off3.7, align 8 46 %gep3 = getelementptr inbounds i32, ptr %p, i32 %idx3 47 %ld3 = load i32, ptr %gep3, align 4 48 49 %off4.9 = getelementptr inbounds i32, ptr %addr, i32 9 50 %idx4 = load i32, ptr %off4.9, align 8 51 %gep4 = getelementptr inbounds i32, ptr %p, i32 %idx4 52 %ld4 = load i32, ptr %gep4, align 4 53 54 %off5.11 = getelementptr inbounds i32, ptr %addr, i32 11 55 %idx5 = load i32, ptr %off5.11, align 8 56 %gep5 = getelementptr inbounds i32, ptr %p, i32 %idx5 57 %ld5 = load i32, ptr %gep5, align 4 58 59 %off6.13 = getelementptr inbounds i32, ptr %addr, i32 13 60 %idx6 = load i32, ptr %off6.13, align 8 61 %gep6 = getelementptr inbounds i32, ptr %p, i32 %idx6 62 %ld6 = load i32, ptr %gep6, align 4 63 64 %off7.15 = getelementptr inbounds i32, ptr %addr, i32 15 65 %idx7 = load i32, ptr %off7.15, align 8 66 %gep7 = getelementptr inbounds i32, ptr %p, i32 %idx7 67 %ld7 = load i32, ptr %gep7, align 4 68 69 %add0 = add nsw i32 %ld1, %ld0 70 %add1 = add nsw i32 %add0, %ld2 71 %add2 = add nsw i32 %add1, %ld3 72 %add3 = add nsw i32 %add2, %ld4 73 %add4 = add nsw i32 %add3, %ld5 74 %add5 = add nsw i32 %add4, %ld6 75 %add6 = add nsw i32 %add5, %ld7 76 77 ret i32 %add6 78} 79