6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-28 06:32:09 +00:00
Code Issues Projects Releases Wiki Activity

A few more small cleanups.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40922 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-08-08 06:06:02 +00:00
parent a141cfe5b2
commit c182f17aed
1 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/Transforms/Scalar/DeadStoreElimination.cpp
View File

@ -58,11 +58,11 @@ namespace {
void DeleteDeadInstructionChains(Instruction *I,
SetVector<Instruction*> &DeadInsts);
// Find the base pointer that a pointer came from
// Because this is used to find pointers that originate
// from allocas, it is safe to ignore GEP indices, since
// either the store will be in the alloca, and thus dead,
// or beyond the end of the alloca, and thus undefined.
/// Find the base pointer that a pointer came from
/// Because this is used to find pointers that originate
/// from allocas, it is safe to ignore GEP indices, since
/// either the store will be in the alloca, and thus dead,
/// or beyond the end of the alloca, and thus undefined.
void TranslatePointerBitCasts(Value*& v) {
assert(isa<PointerType>(v->getType()) &&
"Translating a non-pointer type?");
@ -113,10 +113,8 @@ bool DSE::runOnBasicBlock(BasicBlock &BB) {
Value* pointer = 0;
if (StoreInst* S = dyn_cast<StoreInst>(BBI))
pointer = S->getPointerOperand();
else if (FreeInst* F = dyn_cast<FreeInst>(BBI))
pointer = F->getPointerOperand();
assert(pointer && "Not a free or a store?");
else
pointer = cast<FreeInst>(BBI)->getPointerOperand();
StoreInst*& last = lastStore[pointer];
bool deletedStore = false;