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1bdfe2db7c
Track the debug locations of the incoming values to newly-created phis, and apply merged debug locations to the phis. A merged location will be on line 0, but will have the correct scope set. This improves crash reporting when an inlined instruction with a merged location triggers a machine exception. A debugger will be able to narrow down the crash to the correct inlined scope, instead of simply pointing to the outer scope of the caller. Taken together with a change allows generating merged line-0 locations for instructions which aren't calls, this results in a 0.5% increase in the uncompressed size of the .debug_line section of a stage2+Release build of clang (-O3 -g). rdar://33858697 Differential Revision: https://reviews.llvm.org/D45397 llvm-svn: 330227 |
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| .. | ||
| 2002-03-28-UninitializedVal.ll | ||
| 2002-05-01-ShouldNotPromoteThisAlloca.ll | ||
| 2003-04-10-DFNotFound.ll | ||
| 2003-04-18-DeadBlockProblem.ll | ||
| 2003-04-24-MultipleIdenticalSuccessors.ll | ||
| 2003-06-26-IterativePromote.ll | ||
| 2003-10-05-DeadPHIInsertion.ll | ||
| 2005-06-30-ReadBeforeWrite.ll | ||
| 2005-11-28-Crash.ll | ||
| 2007-08-27-VolatileLoadsStores.ll | ||
| atomic.ll | ||
| ConvertDebugInfo2.ll | ||
| ConvertDebugInfo.ll | ||
| crash.ll | ||
| dbg-addr-inline-dse.ll | ||
| dbg-addr.ll | ||
| dbg-inline-scope-for-phi.ll | ||
| debug-alloca-phi.ll | ||
| ignore-lifetime.ll | ||
| optnone.ll | ||
| pr24179.ll | ||
| preserve-nonnull-load-metadata.ll | ||
| PromoteMemToRegister.ll | ||
| UndefValuesMerge.ll | ||