RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-03-05 17:18:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[ScalarEvolution] Throw away dead code.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251256 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Davide Italiano 2015-10-25 20:00:49 +00:00
parent 94c5c1d096
commit d4e4715f54
1 changed files with 0 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/Analysis/ScalarEvolution.cpp
View File

@ -5461,14 +5461,6 @@ ScalarEvolution::computeExitLimitFromICmp(const Loop *L,
break;
}
default:
#if 0
dbgs() << "computeBackedgeTakenCount ";
if (ExitCond->getOperand(0)->getType()->isUnsigned())
dbgs() << "[unsigned] ";
dbgs() << *LHS << " "
<< Instruction::getOpcodeName(Instruction::ICmp)
<< " " << *RHS << "\n";
#endif
break;
}
return computeExitCountExhaustively(L, ExitCond, !L->contains(TBB));
@ -5581,11 +5573,6 @@ ScalarEvolution::computeLoadConstantCompareExitLimit(
Result = ConstantExpr::getICmp(predicate, Result, RHS);
if (!isa<ConstantInt>(Result)) break; // Couldn't decide for sure
if (cast<ConstantInt>(Result)->getValue().isMinValue()) {
#if 0
dbgs() << "\n***\n*** Computed loop count " << *ItCst
<< "\n*** From global " << *GV << "*** BB: " << *L->getHeader()
<< "***\n";
#endif
++NumArrayLenItCounts;
return getConstant(ItCst); // Found terminating iteration!
}
@ -6392,10 +6379,6 @@ ScalarEvolution::HowFarToZero(const SCEV *V, const Loop *L, bool ControlsExit) {
const SCEVConstant *R1 = dyn_cast<SCEVConstant>(Roots.first);
const SCEVConstant *R2 = dyn_cast<SCEVConstant>(Roots.second);
if (R1 && R2) {
#if 0
dbgs() << "HFTZ: " << *V << " - sol#1: " << *R1
<< " sol#2: " << *R2 << "\n";
#endif
// Pick the smallest positive root value.
if (ConstantInt *CB =
dyn_cast<ConstantInt>(ConstantExpr::getICmp(CmpInst::ICMP_ULT,