[llvm] r183016 - Remove useless code from transitioning to new EH scheme

Kai Nacke kai.nacke at redstar.de
Fri May 31 09:30:36 PDT 2013


Author: redstar
Date: Fri May 31 11:30:36 2013
New Revision: 183016

URL: http://llvm.org/viewvc/llvm-project?rev=183016&view=rev
Log:
Remove useless code from transitioning to new EH scheme

Removes all uses of the variable UsesNewEH. Simply return false in case that no
resume instructions were found.

Modified:
    llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp

Modified: llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp?rev=183016&r1=183015&r2=183016&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp (original)
+++ llvm/trunk/lib/CodeGen/DwarfEHPrepare.cpp Fri May 31 11:30:36 2013
@@ -106,18 +106,15 @@ Value *DwarfEHPrepare::GetExceptionObjec
 /// InsertUnwindResumeCalls - Convert the ResumeInsts that are still present
 /// into calls to the appropriate _Unwind_Resume function.
 bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
-  bool UsesNewEH = false;
   SmallVector<ResumeInst*, 16> Resumes;
   for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) {
     TerminatorInst *TI = I->getTerminator();
     if (ResumeInst *RI = dyn_cast<ResumeInst>(TI))
       Resumes.push_back(RI);
-    else if (InvokeInst *II = dyn_cast<InvokeInst>(TI))
-      UsesNewEH = II->getUnwindDest()->isLandingPad();
   }
 
   if (Resumes.empty())
-    return UsesNewEH;
+    return false;
 
   // Find the rewind function if we didn't already.
   if (!RewindFunction) {





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