1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=slp-vectorizer -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 7; Simple 3-pair chain with loads and stores 8define void @test1(ptr %a, ptr %b, ptr %c) { 9; CHECK-LABEL: @test1( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: [[AGG_TMP_I_I_SROA_0:%.*]] = alloca [3 x double], align 16 12; CHECK-NEXT: [[STORE1:%.*]] = getelementptr inbounds [3 x double], ptr [[AGG_TMP_I_I_SROA_0]], i64 0, i64 1 13; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[A:%.*]], align 8 14; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, ptr [[B:%.*]], align 8 15; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]] 16; CHECK-NEXT: store <2 x double> [[TMP4]], ptr [[STORE1]], align 8 17; CHECK-NEXT: ret void 18; 19entry: 20 %agg.tmp.i.i.sroa.0 = alloca [3 x double], align 16 21 %i0 = load double, ptr %a 22 %i1 = load double, ptr %b 23 %mul = fmul double %i0, %i1 24 %store1 = getelementptr inbounds [3 x double], ptr %agg.tmp.i.i.sroa.0, i64 0, i64 1 25 %store2 = getelementptr inbounds [3 x double], ptr %agg.tmp.i.i.sroa.0, i64 0, i64 2 26 %arrayidx3 = getelementptr inbounds double, ptr %a, i64 1 27 %i3 = load double, ptr %arrayidx3, align 8 28 %arrayidx4 = getelementptr inbounds double, ptr %b, i64 1 29 %i4 = load double, ptr %arrayidx4, align 8 30 %mul5 = fmul double %i3, %i4 31 store double %mul, ptr %store1 32 store double %mul5, ptr %store2, align 16 33 ret void 34} 35 36; Float has 4 byte abi alignment on x86_64. We must use the alignment of the 37; value being loaded/stored not the alignment of the pointer type. 38 39define void @test2(ptr %a, ptr %b) { 40; CHECK-LABEL: @test2( 41; CHECK-NEXT: entry: 42; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, ptr [[A:%.*]], align 4 43; CHECK-NEXT: store <4 x float> [[TMP1]], ptr [[B:%.*]], align 4 44; CHECK-NEXT: ret void 45; 46entry: 47 %l0 = load float, ptr %a 48 %a1 = getelementptr inbounds float, ptr %a, i64 1 49 %l1 = load float, ptr %a1 50 %a2 = getelementptr inbounds float, ptr %a, i64 2 51 %l2 = load float, ptr %a2 52 %a3 = getelementptr inbounds float, ptr %a, i64 3 53 %l3 = load float, ptr %a3 54 store float %l0, ptr %b 55 %b1 = getelementptr inbounds float, ptr %b, i64 1 56 store float %l1, ptr %b1 57 %b2 = getelementptr inbounds float, ptr %b, i64 2 58 store float %l2, ptr %b2 59 %b3 = getelementptr inbounds float, ptr %b, i64 3 60 store float %l3, ptr %b3 61 ret void 62} 63