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| author | Reid Kleckner <rnk@google.com> | 2018-12-21 01:41:20 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2018-12-21 01:41:20 +0000 |
| commit | b894ecf9033e2d205fd8c5b82fe7b7df7f8dca7c (patch) | |
| tree | a270f2bf7368997d6b81d7cf5eae1133a003d7bf /llvm/lib/Transforms | |
| parent | 0a6096bab2edddeadfef36afffdfbbf515cf1a9b (diff) | |
| download | bcm5719-llvm-b894ecf9033e2d205fd8c5b82fe7b7df7f8dca7c.tar.gz bcm5719-llvm-b894ecf9033e2d205fd8c5b82fe7b7df7f8dca7c.zip | |
[memcpyopt] Add debug logs when forwarding memcpy src to dst
llvm-svn: 349873
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp index e93f56da454..92a60fa0794 100644 --- a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp +++ b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp @@ -1060,6 +1060,8 @@ bool MemCpyOptPass::processMemCpyMemCpyDependence(MemCpyInst *M, UseMemMove = true; // If all checks passed, then we can transform M. + LLVM_DEBUG(dbgs() << "MemCpyOptPass: Forwarding memcpy->memcpy src:\n" + << *MDep << '\n' << *M << '\n'); // TODO: Is this worth it if we're creating a less aligned memcpy? For // example we could be moving from movaps -> movq on x86. |
