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Global constants CAN be external

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5808 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-04-18 04:34:29 +00:00
parent 869de25380
commit 156bcf3f65
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/IPO/ConstantMerge.cpp
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@ -1,4 +1,4 @@
//===- ConstantMerge.cpp - Merge duplicate global constants -----------------=//
//===- ConstantMerge.cpp - Merge duplicate global constants ---------------===//
//
// This file defines the interface to a pass that merges duplicate global
// constants together into a single constant that is shared. This is useful
@ -36,8 +36,8 @@ bool ConstantMerge::run(Module &M) {
bool MadeChanges = false;
for (Module::giterator GV = M.gbegin(), E = M.gend(); GV != E; ++GV)
if (GV->isConstant()) { // Only process constants
assert(GV->hasInitializer() && "Globals constants must have inits!");
// Only process constants with initializers
if (GV->isConstant() && GV->hasInitializer()) {
Constant *Init = GV->getInitializer();
// Check to see if the initializer is already known...