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authorPaul Robinson <paul_robinson@playstation.sony.com>2014-02-06 00:07:05 +0000
committerPaul Robinson <paul_robinson@playstation.sony.com>2014-02-06 00:07:05 +0000
commit2684ddd72e6274be60129d5510d9d5073463d0a4 (patch)
tree8a1cc576fcd316c88e1fee0e28357f23c0a1d5c0 /lib/Transforms/Scalar/MemCpyOptimizer.cpp
parentb725815069b6682f2371dc5da00d1dd85365aa7a (diff)
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Disable most IR-level transform passes on functions marked 'optnone'.
Ideally only those transform passes that run at -O0 remain enabled, in reality we get as close as we reasonably can. Passes are responsible for disabling themselves, it's not the job of the pass manager to do it for them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200892 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/MemCpyOptimizer.cpp')
-rw-r--r--lib/Transforms/Scalar/MemCpyOptimizer.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index d46b1ddcdd..3c24e6d364 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -1010,6 +1010,9 @@ bool MemCpyOpt::iterateOnFunction(Function &F) {
// function.
//
bool MemCpyOpt::runOnFunction(Function &F) {
+ if (skipOptnoneFunction(F))
+ return false;
+
bool MadeChange = false;
MD = &getAnalysis<MemoryDependenceAnalysis>();
TD = getAnalysisIfAvailable<DataLayout>();