Remove redundant getAnalysis<> calls in GlobalOpt. Add a few Itanium ABI calls
to TargetLibraryInfo and use one of them in GlobalOpt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150323 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 175d0d0..60a8b1c 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1938,8 +1938,6 @@
// Simplify the initializer.
if (GV->hasInitializer())
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(GV->getInitializer())) {
- TargetData *TD = getAnalysisIfAvailable<TargetData>();
- TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
Constant *New = ConstantFoldConstantExpression(CE, TD, TLI);
if (New && New != CE)
GV->setInitializer(New);
@@ -2645,9 +2643,6 @@
bool MadeChange = false;
if (Ctors.empty()) return false;
- const TargetData *TD = getAnalysisIfAvailable<TargetData>();
- const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
-
// Loop over global ctors, optimizing them when we can.
for (unsigned i = 0; i != Ctors.size(); ++i) {
Function *F = Ctors[i];
@@ -2737,12 +2732,15 @@
return Changed;
}
-static Function *FindCXAAtExit(Module &M) {
- Function *Fn = M.getFunction("__cxa_atexit");
+static Function *FindCXAAtExit(Module &M, TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc::cxa_atexit))
+ return false;
+
+ Function *Fn = M.getFunction(TLI->getName(LibFunc::cxa_atexit));
if (!Fn)
return 0;
-
+
FunctionType *FTy = Fn->getFunctionType();
// Checking that the function has the right return type, the right number of
@@ -2854,12 +2852,12 @@
bool Changed = false;
TD = getAnalysisIfAvailable<TargetData>();
- TLI = getAnalysisIfAvailable<TargetLibraryInfo>();
+ TLI = &getAnalysis<TargetLibraryInfo>();
// Try to find the llvm.globalctors list.
GlobalVariable *GlobalCtors = FindGlobalCtors(M);
- Function *CXAAtExitFn = FindCXAAtExit(M);
+ Function *CXAAtExitFn = FindCXAAtExit(M, TLI);
bool LocalChange = true;
while (LocalChange) {