RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 03:33:20 +01:00
Code Issues Projects Releases Wiki Activity

Do not loop over uses as we delete them. This causes iterators to be

Browse Source 
invalidated out from under us.  This bug goes back to revision 1.1: scary.

llvm-svn: 14242
This commit is contained in:
Chris Lattner 2004-06-19 02:02:22 +00:00
parent e42a9cfbb5
commit 5b4da6dd16
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/Transforms/Scalar/ScalarReplAggregates.cpp
View File

@ -171,9 +171,8 @@ bool SROA::performScalarRepl(Function &F) {
// Now that we have created the alloca instructions that we want to use,
// expand the getelementptr instructions to use them.
//
for (Value::use_iterator I = AI->use_begin(), E = AI->use_end();
I != E; ++I) {
Instruction *User = cast<Instruction>(*I);
while (!AI->use_empty()) {
Instruction *User = cast<Instruction>(AI->use_back());
if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(User)) {
// We now know that the GEP is of the form: GEP <ptr>, 0, <cst>
uint64_t Idx = cast<ConstantInt>(GEPI->getOperand(2))->getRawValue();