RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-07 11:51:13 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

The "landingpad" instruction will never be "trivially" dead.

Browse Source 
llvm-svn: 137642
This commit is contained in:
Bill Wendling 2011-08-15 20:10:51 +00:00
parent 4854258d9c
commit 0c8837a1f1
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Transforms/Utils/Local.cpp
View File

@ -226,6 +226,10 @@ bool llvm::ConstantFoldTerminator(BasicBlock *BB, bool DeleteDeadConditions) {
bool llvm::isInstructionTriviallyDead(Instruction *I) {
if (!I->use_empty() || isa<TerminatorInst>(I)) return false;
// We don't want the landingpad instruction removed by anything this general.
if (isa<LandingPadInst>(I))
return false;
// We don't want debug info removed by anything this general, unless
// debug info is empty.
if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I)) {