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