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0c1aee0b16
As a follow-up to r246098, require `DISubprogram` definitions
(`isDefinition: true`) to be 'distinct'. Specifically, add an assembler
check, a verifier check, and bitcode upgrading logic to combat testcase
bitrot after the `DIBuilder` change.
While working on the testcases, I realized that
test/Linker/subprogram-linkonce-weak-odr.ll isn't relevant anymore. Its
purpose was to check for a corner case in PR22792 where two subprogram
definitions match exactly and share the same metadata node. The new
verifier check, requiring that subprogram definitions are 'distinct',
precludes that possibility.
I updated almost all the IR with the following script:
git grep -l -E -e '= !DISubprogram\(.* isDefinition: true' |
grep -v test/Bitcode |
xargs sed -i '' -e 's/= \(!DISubprogram(.*, isDefinition: true\)/= distinct \1/'
Likely some variant of would work for out-of-tree testcases.
llvm-svn: 246327
43 lines
1.5 KiB
LLVM
43 lines
1.5 KiB
LLVM
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -silence-passes > /dev/null
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; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
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; REQUIRES: loadable_module
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; Bugpoint should keep the call's metadata attached to the call.
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; CHECK: call void @foo(), !dbg ![[LOC:[0-9]+]], !attach ![[CALL:[0-9]+]]
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; CHECK: ![[LOC]] = !DILocation(line: 104, column: 105, scope: ![[SCOPE:[0-9]+]])
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; CHECK: ![[SCOPE]] = distinct !DISubprogram(name: "test"
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; CHECK-SAME: file: ![[FILE:[0-9]+]]
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; CHECK: ![[FILE]] = !DIFile(filename: "source.c", directory: "/dir")
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; CHECK: ![[CALL]] = !{!"the call to foo"}
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%rust_task = type {}
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define void @test(i32* %a, i8* %b) {
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%s = mul i8 22, 9, !attach !0, !dbg !10
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store i8 %s, i8* %b, !attach !1, !dbg !11
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call void @foo(), !attach !2, !dbg !12
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store i32 7, i32* %a, !attach !3, !dbg !13
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%t = add i32 0, 5, !attach !4, !dbg !14
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ret void
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}
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declare void @foo()
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!llvm.module.flags = !{!17}
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!0 = !{!"boring"}
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!1 = !{!"uninteresting"}
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!2 = !{!"the call to foo"}
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!3 = !{!"noise"}
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!4 = !{!"filler"}
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!9 = distinct !DISubprogram(name: "test", file: !15)
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!10 = !DILocation(line: 100, column: 101, scope: !9)
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!11 = !DILocation(line: 102, column: 103, scope: !9)
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!12 = !DILocation(line: 104, column: 105, scope: !9)
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!13 = !DILocation(line: 106, column: 107, scope: !9)
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!14 = !DILocation(line: 108, column: 109, scope: !9)
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!15 = !DIFile(filename: "source.c", directory: "/dir")
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!16 = !{}
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!17 = !{i32 1, !"Debug Info Version", i32 3}
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