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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183016 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index ecfe6f3..05ac58a 100644
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -106,18 +106,15 @@
/// 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) {