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https://github.com/c64scene-ar/llvm-6502.git
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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
1.2 KiB
LLVM
28 lines
1.2 KiB
LLVM
; RUN: llc < %s
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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 { i8*, i32, i32*, i32, i32, i32*, %Domain* }
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@domain_array = external global [497 x %Domain] ; <[497 x %Domain]*> [#uses=2]
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declare void @opaque([497 x %Domain]*)
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define i32 @main(i32 %argc, i8** %argv) {
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bb0:
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call void @opaque( [497 x %Domain]* @domain_array )
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%cann-indvar-idxcast = sext i32 %argc to i64 ; <i64> [#uses=1]
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%reg841 = getelementptr [497 x %Domain]* @domain_array, i64 0, i64 %cann-indvar-idxcast, i32 3 ; <i32*> [#uses=1]
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%reg846 = getelementptr i32* %reg841, i64 1 ; <i32*> [#uses=1]
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%reg820 = load i32* %reg846 ; <i32> [#uses=1]
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ret i32 %reg820
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}
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