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| author | Bill Wendling <isanbard@gmail.com> | 2011-08-15 21:14:31 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-08-15 21:14:31 +0000 |
| commit | e86965ee19943aa5b4dc4b4cabad2a0c25857f77 (patch) | |
| tree | 58e7cce41ad3a8f319298eb4d2e00780b978fbde /llvm/lib/Analysis/LoopInfo.cpp | |
| parent | 4d05198d1f3f792a61641627c3abbb1158acea8c (diff) | |
| download | bcm5719-llvm-e86965ee19943aa5b4dc4b4cabad2a0c25857f77.tar.gz bcm5719-llvm-e86965ee19943aa5b4dc4b4cabad2a0c25857f77.zip | |
Duncan pointed out that the LandingPadInst might read memory. (It might also
write to memory.) Marking it as such makes some checks for immobility go away.
llvm-svn: 137655
Diffstat (limited to 'llvm/lib/Analysis/LoopInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/LoopInfo.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/LoopInfo.cpp b/llvm/lib/Analysis/LoopInfo.cpp index 36fd598d13c..9a7c50d7fa4 100644 --- a/llvm/lib/Analysis/LoopInfo.cpp +++ b/llvm/lib/Analysis/LoopInfo.cpp @@ -99,9 +99,6 @@ 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(); |
