forked from OSchip/llvm-project
19 lines
1.0 KiB
LLVM
19 lines
1.0 KiB
LLVM
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep bitcast | count 1
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; InstCombine can not 'load (cast P)' -> cast (load P)' if the cast changes
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; the address space.
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define void @test2(i8 addrspace(1)* %source, <2 x i8> addrspace(1)* %dest) {
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entry:
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%arrayidx1 = bitcast <2 x i8> addrspace(1)* %dest to <2 x i8> addrspace(1)*
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%conv = bitcast i8 addrspace(1)* %source to <16 x i8>*
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%arrayidx22 = bitcast <16 x i8>* %conv to <16 x i8>*
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%tmp3 = load <16 x i8>* %arrayidx22
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%arrayidx223 = bitcast i8 addrspace(1)* %source to i8*
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%tmp4 = load i8* %arrayidx223
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%tmp5 = insertelement <2 x i8> undef, i8 %tmp4, i32 0
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%splat = shufflevector <2 x i8> %tmp5, <2 x i8> undef, <2 x i32> zeroinitializer
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store <2 x i8> %splat, <2 x i8> addrspace(1)* %arrayidx1
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ret void
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}
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