IndVarSimplify: Don't let LFTR compare against a poison value

[oota-llvm.git] / lib / Transforms / ObjCARC / ObjCARCAPElim.cpp

diff --git a/lib/Transforms/ObjCARC/ObjCARCAPElim.cpp b/lib/Transforms/ObjCARC/ObjCARCAPElim.cpp
index 9d36b723b96ac1f285ee916721937e52b10be107..1a253916d7ca08fd66d42ff73356e42aa837788e 100644 (file)
--- a/lib/Transforms/ObjCARC/ObjCARCAPElim.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCAPElim.cpp
@@ -155,8 +155,8 @@ bool ObjCARCAPElim::runOnModule(Module &M) {
   for (User::op_iterator OI = Init->op_begin(), OE = Init->op_end();
        OI != OE; ++OI) {
     Value *Op = *OI;
-    // llvm.global_ctors is an array of pairs where the second members
-    // are constructor functions.
+    // llvm.global_ctors is an array of three-field structs where the second
+    // members are constructor functions.
     Function *F = dyn_cast<Function>(cast<ConstantStruct>(Op)->getOperand(1));
     // If the user used a constructor function with the wrong signature and
     // it got bitcasted or whatever, look the other way.