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This loop executed exactly one time, turn it into straightline code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4159 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-14 03:28:42 +00:00
parent 700d48806b
commit 9e932bd566
1 changed files with 6 additions and 8 deletions
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14
lib/AsmParser/llvmAsmParser.y
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@ -117,15 +117,13 @@ static struct PerModuleInfo {
// Loop over all of the uses of the GlobalValue. The only thing they are
// allowed to be is ConstantPointerRef's.
assert(OldGV->use_size() == 1 && "Only one reference should exist!");
while (!OldGV->use_empty()) {
User *U = OldGV->use_back(); // Must be a ConstantPointerRef...
ConstantPointerRef *CPR = cast<ConstantPointerRef>(U);
assert(CPR->getValue() == OldGV && "Something isn't happy");
User *U = OldGV->use_back(); // Must be a ConstantPointerRef...
ConstantPointerRef *CPR = cast<ConstantPointerRef>(U);
// Change the const pool reference to point to the real global variable
// now. This should drop a use from the OldGV.
CPR->mutateReferences(OldGV, GV);
}
// Change the const pool reference to point to the real global variable
// now. This should drop a use from the OldGV.
CPR->mutateReferences(OldGV, GV);
assert(OldGV->use_empty() && "All uses should be gone now!");
// Remove OldGV from the module...
CurrentModule->getGlobalList().remove(OldGV);