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Debug Info: enable verifying by default and disable testing cases that fail.

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1> Use DebugInfoFinder to find debug info MDNodes.
2> Add disable-debug-info-verifier to disable verifying debug info.
3> Disable verifying for testing cases that fail (will update the testing cases
   later on).
4> MDNodes generated by clang can have empty filename for TAG_inheritance and
   TAG_friend, so DIType::Verify is modified accordingly.

Note that DebugInfoFinder does not list all debug info MDNode.
For example, clang can generate:
metadata !{i32 786468}, which will fail to verify.
This MDNode is used by debug info but not included in DebugInfoFinder.
This MDNode is generated as a temporary node in DIBuilder::createFunction
  Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
  MDNode::getTemporary(VMContext, TElts)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186634 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren
2013-07-19 00:31:03 +00:00
parent 4e3898056e
commit cd26257c85
17 changed files with 53 additions and 19 deletions
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2
test/CodeGen/X86/2010-08-04-StackVariable.ll
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@@ -1,4 +1,4 @@
; RUN: llc -O0 -mtriple=x86_64-apple-darwin < %s | grep DW_OP_breg7
; RUN: llc -O0 -mtriple=x86_64-apple-darwin -disable-debug-info-verifier < %s | grep DW_OP_breg7
; Use DW_OP_breg7 in variable's location expression if the variable is in a stack slot.
%struct.SVal = type { i8*, i32 }