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; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-100 -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
; We purposely over-align f64 to 128bit here.
target 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"
target triple = "i386-apple-macosx10.9.0"
define void @test(double* %i1, double* %i2, double* %o) {
; CHECK-LABEL: @test(
;
; Test that we correctly recognize the discontiguous memory in arrays where the
; size is less than the alignment, and through various different GEP formations.
entry:
%i1.0 = load double, double* %i1, align 16
%i1.gep1 = getelementptr double, double* %i1, i64 1
%i1.1 = load double, double* %i1.gep1, align 16
; CHECK: load double, double*
; CHECK: load double, double*
; CHECK: insertelement <2 x double>
; CHECK: insertelement <2 x double>
br i1 undef, label %then, label %end
then:
%i2.gep0 = getelementptr inbounds double, double* %i2, i64 0
%i2.0 = load double, double* %i2.gep0, align 16
%i2.gep1 = getelementptr inbounds double, double* %i2, i64 1
%i2.1 = load double, double* %i2.gep1, align 16
; CHECK: load double, double*
; CHECK: load double, double*
; CHECK: insertelement <2 x double>
; CHECK: insertelement <2 x double>
br label %end
end:
%phi0 = phi double [ %i1.0, %entry ], [ %i2.0, %then ]
%phi1 = phi double [ %i1.1, %entry ], [ %i2.1, %then ]
; CHECK: phi <2 x double>
; CHECK: extractelement <2 x double>
; CHECK: extractelement <2 x double>
store double %phi0, double* %o, align 16
%o.gep1 = getelementptr inbounds double, double* %o, i64 1
store double %phi1, double* %o.gep1, align 16
ret void
}
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