basic block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103725
91177308-0d34-0410-b5e6-
96231b3b80d8
using namespace llvm;
bool FastISel::hasTrivialKill(const Value *V) const {
- // Don't consider constants or arguments to have trivial kills.
+ // Don't consider constants or arguments to have trivial kills. Only
+ // instructions with a single use in the same basic block.
const Instruction *I = dyn_cast<Instruction>(V);
- return I && I->hasOneUse();
+ return I &&
+ I->hasOneUse() &&
+ cast<Instruction>(I->use_begin())->getParent() == I->getParent();
}
unsigned FastISel::getRegForValue(const Value *V) {