; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s define void @b() { ; CHECK-LABEL: @b( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x float> poison, float 0x7FF8000000000000, i32 0 ; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[TMP0]], <4 x float> <float 0xFFF8000000000000, float 0xFFF8000000000000, float undef, float undef>, <4 x i32> <i32 0, i32 4, i32 5, i32 3> ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x float> [[TMP1]], float 0x7FF8000000000000, i32 3 ; CHECK-NEXT: [[TMP3:%.*]] = call <4 x float> @llvm.fmuladd.v4f32(<4 x float> [[TMP2]], <4 x float> zeroinitializer, <4 x float> zeroinitializer) ; CHECK-NEXT: [[TMP4:%.*]] = fmul <4 x float> [[TMP3]], <float undef, float undef, float undef, float 2.000000e+00> ; CHECK-NEXT: [[TMP5:%.*]] = fdiv <4 x float> [[TMP4]], zeroinitializer ; CHECK-NEXT: store <4 x float> [[TMP5]], ptr undef, align 4 ; CHECK-NEXT: ret void ; entry: %mul = fmul float undef, 2.000000e+00 %i = tail call float @llvm.fmuladd.f32(float %mul, float 0.000000e+00, float 0.000000e+00) %mul2 = fmul float undef, %i %add = fadd float undef, 1.000000e+00 %neg = fneg float %add %i1 = tail call float @llvm.fmuladd.f32(float %neg, float 0.000000e+00, float 0.000000e+00) %mul4 = fmul float undef, %i1 %neg7 = fneg float %mul %i2 = tail call float @llvm.fmuladd.f32(float %neg7, float 0.000000e+00, float 0.000000e+00) %mul8 = fmul float undef, %i2 %i3 = tail call float @llvm.fmuladd.f32(float %add, float 0.000000e+00, float 0.000000e+00) %mul11 = fmul float %i3, 2.000000e+00 %div = fdiv float %mul2, 0.000000e+00 store float %div, ptr undef, align 4 %div12 = fdiv float %mul4, 0.000000e+00 %arrayidx13 = getelementptr inbounds float, ptr undef, i64 1 store float %div12, ptr %arrayidx13, align 4 %div14 = fdiv float %mul8, 0.000000e+00 %arrayidx15 = getelementptr inbounds float, ptr undef, i64 2 store float %div14, ptr %arrayidx15, align 4 %div16 = fdiv float %mul11, 0.000000e+00 %arrayidx17 = getelementptr inbounds float, ptr undef, i64 3 store float %div16, ptr %arrayidx17, align 4 ret void } declare float @llvm.fmuladd.f32(float, float, float) define void @test(float %a) { ; CHECK-LABEL: @test( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x float> poison, float [[A:%.*]], i32 0 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x float> [[TMP0]], float [[A]], i32 1 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP2:%.*]] = fadd <2 x float> zeroinitializer, [[TMP1]] ; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <2 x float> [[TMP2]], <2 x float> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: %add.i157 = fadd float 0.000000e+00, %a %add23.i = fadd float 0.000000e+00, %a %insert = insertelement <2 x float> zeroinitializer, float %add.i157, i64 0 %insert.i = insertelement <2 x float> %insert, float %add23.i, i64 1 %agg = insertelement <2 x float> %insert.i, float %add.i157, i64 1 br label %loop } define internal void @test1() { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[DOTSROA_025_4_VEC_INSERT_US_I:%.*]] = insertelement <2 x float> zeroinitializer, float 0.000000e+00, i64 0 ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: %0 = fadd float 0.000000e+00, 0.000000e+00 %1 = fadd float 0.000000e+00, 0.000000e+00 %2 = fadd float %0, 0.000000e+00 %3 = fadd float %1, 0.000000e+00 %.sroa.3.8.vec.insert.i.us.i = insertelement <2 x float> zeroinitializer, float %2, i64 0 %.sroa.3.12.vec.insert.i.us.i = insertelement <2 x float> %.sroa.3.8.vec.insert.i.us.i, float %3, i64 1 %.sroa.025.4.vec.insert.us.i = insertelement <2 x float> %.sroa.3.12.vec.insert.i.us.i, float %0, i64 0 br label %loop }