RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 11:02:59 +02:00
Code Issues Projects Releases Wiki Activity

[LegacyPassManager] Fixed "null check after derefencing" warning

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/IR/LegacyPassManager.cpp
View File

@ -1626,13 +1626,12 @@ MPPassManager::runOnModule(Module &M) {
/// RequiredPass is run on the fly by Pass Manager when P requests it /// RequiredPass is run on the fly by Pass Manager when P requests it
/// through getAnalysis interface. /// through getAnalysis interface.
void MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { void MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) {
assert(RequiredPass && "No required pass?");
assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && assert(P->getPotentialPassManagerType() == PMT_ModulePassManager &&
"Unable to handle Pass that requires lower level Analysis pass"); "Unable to handle Pass that requires lower level Analysis pass");
assert((P->getPotentialPassManagerType() < assert((P->getPotentialPassManagerType() <
RequiredPass->getPotentialPassManagerType()) && RequiredPass->getPotentialPassManagerType()) &&
"Unable to handle Pass that requires lower level Analysis pass"); "Unable to handle Pass that requires lower level Analysis pass");
if (!RequiredPass)
return;
FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; FunctionPassManagerImpl *FPP = OnTheFlyManagers[P];
if (!FPP) { if (!FPP) {