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; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
target 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"
target triple = "x86_64-apple-macosx10.8.0"
; Simple 3-pair chain with loads and stores
; CHECK-LABEL: @test1
define void @test1(double* %a, double* %b, double* %c) {
entry:
%agg.tmp.i.i.sroa.0 = alloca [3 x double], align 16
; CHECK: %[[V0:[0-9]+]] = load <2 x double>* %[[V2:[0-9]+]], align 8
%i0 = load double* %a
%i1 = load double* %b
%mul = fmul double %i0, %i1
%store1 = getelementptr inbounds [3 x double]* %agg.tmp.i.i.sroa.0, i64 0, i64 1
%store2 = getelementptr inbounds [3 x double]* %agg.tmp.i.i.sroa.0, i64 0, i64 2
%arrayidx3 = getelementptr inbounds double* %a, i64 1
%i3 = load double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double* %b, i64 1
%i4 = load double* %arrayidx4, align 8
%mul5 = fmul double %i3, %i4
; CHECK: store <2 x double> %[[V1:[0-9]+]], <2 x double>* %[[V2:[0-9]+]], align 8
store double %mul, double* %store1
store double %mul5, double* %store2, align 16
; CHECK: ret
ret void
}
; Float has 4 byte abi alignment on x86_64. We must use the alignmnet of the
; value being loaded/stored not the alignment of the pointer type.
; CHECK-LABEL: @test2
; CHECK-NOT: align 8
; CHECK: load <4 x float>{{.*}}, align 4
; CHECK: store <4 x float>{{.*}}, align 4
; CHECK: ret
define void @test2(float * %a, float * %b) {
entry:
%l0 = load float* %a
%a1 = getelementptr inbounds float* %a, i64 1
%l1 = load float* %a1
%a2 = getelementptr inbounds float* %a, i64 2
%l2 = load float* %a2
%a3 = getelementptr inbounds float* %a, i64 3
%l3 = load float* %a3
store float %l0, float* %b
%b1 = getelementptr inbounds float* %b, i64 1
store float %l1, float* %b1
%b2 = getelementptr inbounds float* %b, i64 2
store float %l2, float* %b2
%b3 = getelementptr inbounds float* %b, i64 3
store float %l3, float* %b3
ret void
}
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