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| author | Anastasis Grammenos <anastasis.gramm2@gmail.com> | 2018-03-18 15:59:19 +0000 |
|---|---|---|
| committer | Anastasis Grammenos <anastasis.gramm2@gmail.com> | 2018-03-18 15:59:19 +0000 |
| commit | 3a589103a4aa532d62c2c579e78e766e46f752c8 (patch) | |
| tree | e9071ce1acf4ee77b8e94fb1388ae17fb92211e4 /llvm/lib/Transforms | |
| parent | e6da3063a54c801eab5ff3ab267341a4804f9e4b (diff) | |
| download | bcm5719-llvm-3a589103a4aa532d62c2c579e78e766e46f752c8.tar.gz bcm5719-llvm-3a589103a4aa532d62c2c579e78e766e46f752c8.zip | |
[LICM] Salvage DI from dying Instructions
LICM deletes trivially dead instructions which it won't attempt to sink.
Attempt to salvage debug values which reference these instructions.
llvm-svn: 327800
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LICM.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp index e3df80b19aa..ea6d46cc81a 100644 --- a/llvm/lib/Transforms/Scalar/LICM.cpp +++ b/llvm/lib/Transforms/Scalar/LICM.cpp @@ -393,6 +393,7 @@ bool llvm::sinkRegion(DomTreeNode *N, AliasAnalysis *AA, LoopInfo *LI, // used in the loop, instead, just delete it. if (isInstructionTriviallyDead(&I, TLI)) { DEBUG(dbgs() << "LICM deleting dead inst: " << I << '\n'); + salvageDebugInfo(I); ++II; CurAST->deleteValue(&I); I.eraseFromParent(); |
