forked from OSchip/llvm-project
82 lines
3.5 KiB
LLVM
82 lines
3.5 KiB
LLVM
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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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; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
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; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -bb-vectorize-aligned-only -instcombine -gvn -S | FileCheck %s -check-prefix=CHECK-AO
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; Simple 3-pair chain also with loads and stores (using ptrs and gep)
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define double @test1(i64* %a, i64* %b, i64* %c) nounwind uwtable readonly {
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entry:
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%i0 = load i64* %a, align 8
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%i1 = load i64* %b, align 8
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%mul = mul i64 %i0, %i1
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%arrayidx3 = getelementptr inbounds i64* %a, i64 1
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%i3 = load i64* %arrayidx3, align 8
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%arrayidx4 = getelementptr inbounds i64* %b, i64 1
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%i4 = load i64* %arrayidx4, align 8
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%mul5 = mul i64 %i3, %i4
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%ptr = inttoptr i64 %mul to double*
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%ptr5 = inttoptr i64 %mul5 to double*
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%aptr = getelementptr inbounds double* %ptr, i64 2
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%aptr5 = getelementptr inbounds double* %ptr5, i64 3
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%av = load double* %aptr, align 16
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%av5 = load double* %aptr5, align 16
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%r = fmul double %av, %av5
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store i64 %mul, i64* %c, align 8
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%arrayidx5 = getelementptr inbounds i64* %c, i64 1
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store i64 %mul5, i64* %arrayidx5, align 8
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ret double %r
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; CHECK: @test1
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; CHECK: %i0.v.i0 = bitcast i64* %a to <2 x i64>*
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; CHECK: %i1.v.i0 = bitcast i64* %b to <2 x i64>*
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; CHECK: %i0 = load <2 x i64>* %i0.v.i0, align 8
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; CHECK: %i1 = load <2 x i64>* %i1.v.i0, align 8
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; CHECK: %mul = mul <2 x i64> %i0, %i1
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; CHECK: %ptr = inttoptr <2 x i64> %mul to <2 x double*>
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; CHECK: %aptr = getelementptr inbounds <2 x double*> %ptr, <2 x i64> <i64 2, i64 3>
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; CHECK: %aptr.v.r1 = extractelement <2 x double*> %aptr, i32 0
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; CHECK: %aptr.v.r2 = extractelement <2 x double*> %aptr, i32 1
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; CHECK: %av = load double* %aptr.v.r1, align 16
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; CHECK: %av5 = load double* %aptr.v.r2, align 16
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; CHECK: %r = fmul double %av, %av5
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; CHECK: %0 = bitcast i64* %c to <2 x i64>*
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; CHECK: store <2 x i64> %mul, <2 x i64>* %0, align 8
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; CHECK: ret double %r
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; CHECK-AO: @test1
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; CHECK-AO-NOT: load <2 x
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}
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; Simple 3-pair chain with loads and stores (using ptrs and gep)
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define void @test2(i64** %a, i64** %b, i64** %c) nounwind uwtable readonly {
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entry:
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%i0 = load i64** %a, align 8
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%i1 = load i64** %b, align 8
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%arrayidx3 = getelementptr inbounds i64** %a, i64 1
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%i3 = load i64** %arrayidx3, align 8
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%arrayidx4 = getelementptr inbounds i64** %b, i64 1
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%i4 = load i64** %arrayidx4, align 8
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%o1 = load i64* %i1, align 8
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%o4 = load i64* %i4, align 8
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%ptr0 = getelementptr inbounds i64* %i0, i64 %o1
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%ptr3 = getelementptr inbounds i64* %i3, i64 %o4
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store i64* %ptr0, i64** %c, align 8
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%arrayidx5 = getelementptr inbounds i64** %c, i64 1
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store i64* %ptr3, i64** %arrayidx5, align 8
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ret void
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; CHECK: @test2
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; CHECK: %i0.v.i0 = bitcast i64** %a to <2 x i64*>*
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; CHECK: %i1 = load i64** %b, align 8
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; CHECK: %i0 = load <2 x i64*>* %i0.v.i0, align 8
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; CHECK: %arrayidx4 = getelementptr inbounds i64** %b, i64 1
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; CHECK: %i4 = load i64** %arrayidx4, align 8
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; CHECK: %o1 = load i64* %i1, align 8
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; CHECK: %o4 = load i64* %i4, align 8
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; CHECK: %ptr0.v.i1.1 = insertelement <2 x i64> undef, i64 %o1, i32 0
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; CHECK: %ptr0.v.i1.2 = insertelement <2 x i64> %ptr0.v.i1.1, i64 %o4, i32 1
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; CHECK: %ptr0 = getelementptr inbounds <2 x i64*> %i0, <2 x i64> %ptr0.v.i1.2
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; CHECK: %0 = bitcast i64** %c to <2 x i64*>*
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; CHECK: store <2 x i64*> %ptr0, <2 x i64*>* %0, align 8
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; CHECK: ret void
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; CHECK-AO: @test2
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; CHECK-AO-NOT: <2 x
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}
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