diff options
Diffstat (limited to 'lib/Transforms/IPO/ConstantMerge.cpp')
| -rw-r--r-- | lib/Transforms/IPO/ConstantMerge.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/IPO/ConstantMerge.cpp b/lib/Transforms/IPO/ConstantMerge.cpp index 0f949a4743..400b5e2031 100644 --- a/lib/Transforms/IPO/ConstantMerge.cpp +++ b/lib/Transforms/IPO/ConstantMerge.cpp @@ -60,8 +60,10 @@ bool ConstantMerge::runOnModule(Module &M) { // because doing so may cause initializers of other globals to be rewritten, // invalidating the Constant* pointers in CMap. // - for (Module::global_iterator GV = M.global_begin(), E = M.global_end(); - GV != E; ++GV) { + for (Module::global_iterator GVI = M.global_begin(), E = M.global_end(); + GVI != E; ) { + GlobalVariable *GV = GVI++; + // If this GV is dead, remove it. GV->removeDeadConstantUsers(); if (GV->use_empty() && GV->hasInternalLinkage()) { |