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94255c8eb0
Before we start to rely on valid `!dbg` attachments, add a check to the verifier that `@llvm.dbg.*` intrinsics always have one. Also check that the `scope:` fields point at the same `MDSubprogram`. This is in the context of PR22778. The check that the `inlinedAt:` fields agree has baked for a while (since r234021), so I'll kill [1] the `MDLocalVariable::getInlinedAt()` field soon. [1]: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150330/269387.html Unfortunately, that means it's impossible to keep the current `Verifier` checks, which rely on comparing `inlinedAt:` fields. We'll be able to keep the checks I'm adding here. If this breaks your out-of-tree testcases, the upgrade script (add-dbg-to-intrinsics.sh) attached to PR22778 that I used for r235040 might fix them for you. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235048 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
522 B
LLVM
18 lines
522 B
LLVM
; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s
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; CHECK: invalid llvm.dbg.value intrinsic variable
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; CHECK-NEXT: call void @llvm.dbg.value({{.*}})
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; CHECK-NEXT: !""
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define void @foo(i32 %a) {
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entry:
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%s = alloca i32
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call void @llvm.dbg.value(metadata i32* %s, i64 0, metadata !"", metadata !MDExpression()), !dbg !MDLocation(scope: !1)
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ret void
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
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!llvm.module.flags = !{!0}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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!1 = !MDSubprogram()
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