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[LegacyPassManager] Fixed "null check after derefencing" warning

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The 'RequiredPass' pointer was utilized before it was verified against nullptr. Check lines: 1626, 1629.
This commit is contained in:
Dávid Bolvanský 2019-11-02 20:14:29 +01:00
parent a1ea2306ad
commit 10e761fa76
1 changed files with 1 additions and 2 deletions
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3
lib/IR/LegacyPassManager.cpp
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@ -1626,13 +1626,12 @@ MPPassManager::runOnModule(Module &M) {
/// RequiredPass is run on the fly by Pass Manager when P requests it
/// through getAnalysis interface.
void MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) {
assert(RequiredPass && "No required pass?");
assert(P->getPotentialPassManagerType() == PMT_ModulePassManager &&
"Unable to handle Pass that requires lower level Analysis pass");
assert((P->getPotentialPassManagerType() <
RequiredPass->getPotentialPassManagerType()) &&
"Unable to handle Pass that requires lower level Analysis pass");
if (!RequiredPass)
return;
FunctionPassManagerImpl *FPP = OnTheFlyManagers[P];
if (!FPP) {