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Comparing std::string with NULL is a bad idea, so just check whether its empty.

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This code was crashing always with oprofile enabled, since it tried to create a StringRef
out of NULL, which run strlen on NULL.

llvm-svn: 91046
This commit is contained in:
Torok Edwin 2009-12-10 10:01:47 +00:00
parent 70ca0b3d58
commit 7879b5fae2
1 changed files with 1 additions and 1 deletions
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2
lib/ExecutionEngine/JIT/OProfileJITEventListener.cpp
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@ -76,7 +76,7 @@ class FilenameCache {
public: public:
const char *getFilename(MDNode *Scope) { const char *getFilename(MDNode *Scope) {
std::string &Filename = Filenames[Scope]; std::string &Filename = Filenames[Scope];
if (Filename == NULL) { if (Filename.empty()) {
DIScope S(Scope); DIScope S(Scope);
Filename = S.getFilename(); Filename = S.getFilename();
} }