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2393a24fed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17533 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; RUN: llvm-as -f %s -o - | llc
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;; GetMemInstArgs() folded the two getElementPtr instructions together,
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;; producing an illegal getElementPtr. That's because the type generated
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;; by the last index for the first one is a structure field, not an array
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;; element, and the second one indexes off that structure field.
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;; The code is legal but not type-safe and the two GEPs should not be folded.
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;;
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;; This code fragment is from Spec/CINT2000/197.parser/197.parser.bc,
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;; file post_process.c, function build_domain().
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;; (Modified to replace store with load and return load value.)
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;;
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%Domain = type { sbyte*, int, int*, int, int, int*, %Domain* }
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%domain_array = uninitialized global [497 x %Domain]
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implementation; Functions:
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declare void %opaque([497 x %Domain]*)
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int %main(int %argc, sbyte** %argv) {
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bb0: ;[#uses=0]
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call void %opaque([497 x %Domain]* %domain_array)
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%cann-indvar-idxcast = cast int %argc to long
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%reg841 = getelementptr [497 x %Domain]* %domain_array, long 0, long %cann-indvar-idxcast, ubyte 3
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%reg846 = getelementptr int* %reg841, long 1
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%reg820 = load int* %reg846
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ret int %reg820
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}
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