The landingpad instruction isn't loop-invariant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137628 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2011-08-15 18:22:49 +00:00
parent bc4fcbbc7b
commit da005e7d20

View File

@ -99,6 +99,9 @@ bool Loop::makeLoopInvariant(Instruction *I, bool &Changed,
return false;
if (I->mayReadFromMemory())
return false;
// The landingpad instruction is immobile.
if (isa<LandingPadInst>(I))
return false;
// Determine the insertion point, unless one was given.
if (!InsertPt) {
BasicBlock *Preheader = getLoopPreheader();