1; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3; We purposely over-align f64 to 128bit here. 4target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:128:128-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" 5target triple = "i386-apple-macosx10.9.0" 6 7 8define void @test(double* %i1, double* %i2, double* %o) { 9; CHECK-LABEL: @test( 10; 11; Test that we correctly recognize the discontiguous memory in arrays where the 12; size is less than the alignment, and through various different GEP formations. 13 14entry: 15 %i1.0 = load double* %i1, align 16 16 %i1.gep1 = getelementptr double* %i1, i64 1 17 %i1.1 = load double* %i1.gep1, align 16 18; CHECK: load double* 19; CHECK: load double* 20; CHECK: insertelement <2 x double> 21; CHECK: insertelement <2 x double> 22 br i1 undef, label %then, label %end 23 24then: 25 %i2.gep0 = getelementptr inbounds double* %i2, i64 0 26 %i2.0 = load double* %i2.gep0, align 16 27 %i2.gep1 = getelementptr inbounds double* %i2, i64 1 28 %i2.1 = load double* %i2.gep1, align 16 29; CHECK: load double* 30; CHECK: load double* 31; CHECK: insertelement <2 x double> 32; CHECK: insertelement <2 x double> 33 br label %end 34 35end: 36 %phi0 = phi double [ %i1.0, %entry ], [ %i2.0, %then ] 37 %phi1 = phi double [ %i1.1, %entry ], [ %i2.1, %then ] 38; CHECK: phi <2 x double> 39; CHECK: extractelement <2 x double> 40; CHECK: extractelement <2 x double> 41 store double %phi0, double* %o, align 16 42 %o.gep1 = getelementptr inbounds double* %o, i64 1 43 store double %phi1, double* %o.gep1, align 16 44 ret void 45} 46