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[FastISel] Collect statistics about failing intrinsic calls.

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Add more instruction-specific statistics about failing intrinsic calls during
FastISel.

llvm-svn: 210556
This commit is contained in:
Juergen Ributzka 2014-06-10 18:17:00 +00:00
parent b49d64f413
commit de3f16cdd3
1 changed files with 50 additions and 1 deletions
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51
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -141,6 +141,25 @@ STATISTIC(NumFastIselFailShuffleVector,"Fast isel fails on ShuffleVector");
STATISTIC(NumFastIselFailExtractValue,"Fast isel fails on ExtractValue");
STATISTIC(NumFastIselFailInsertValue,"Fast isel fails on InsertValue");
STATISTIC(NumFastIselFailLandingPad,"Fast isel fails on LandingPad");
// Intrinsic instructions...
STATISTIC(NumFastIselFailIntrinsicCall, "Fast isel fails on Intrinsic call");
STATISTIC(NumFastIselFailSAddWithOverflow,
"Fast isel fails on sadd.with.overflow");
STATISTIC(NumFastIselFailUAddWithOverflow,
"Fast isel fails on uadd.with.overflow");
STATISTIC(NumFastIselFailSSubWithOverflow,
"Fast isel fails on ssub.with.overflow");
STATISTIC(NumFastIselFailUSubWithOverflow,
"Fast isel fails on usub.with.overflow");
STATISTIC(NumFastIselFailSMulWithOverflow,
"Fast isel fails on smul.with.overflow");
STATISTIC(NumFastIselFailUMulWithOverflow,
"Fast isel fails on umul.with.overflow");
STATISTIC(NumFastIselFailFrameaddress, "Fast isel fails on Frameaddress");
STATISTIC(NumFastIselFailSqrt, "Fast isel fails on sqrt call");
STATISTIC(NumFastIselFailStackMap, "Fast isel fails on StackMap call");
STATISTIC(NumFastIselFailPatchPoint, "Fast isel fails on PatchPoint call");
#endif
static cl::opt<bool>
@ -974,7 +993,37 @@ static void collectFailStats(const Instruction *I) {
case Instruction::FCmp: NumFastIselFailFCmp++; return;
case Instruction::PHI: NumFastIselFailPHI++; return;
case Instruction::Select: NumFastIselFailSelect++; return;
case Instruction::Call: NumFastIselFailCall++; return;
case Instruction::Call: {
if (auto const *Intrinsic = dyn_cast<IntrinsicInst>(I)) {
switch (Intrinsic->getIntrinsicID()) {
default:
NumFastIselFailIntrinsicCall++; return;
case Intrinsic::sadd_with_overflow:
NumFastIselFailSAddWithOverflow++; return;
case Intrinsic::uadd_with_overflow:
NumFastIselFailUAddWithOverflow++; return;
case Intrinsic::ssub_with_overflow:
NumFastIselFailSSubWithOverflow++; return;
case Intrinsic::usub_with_overflow:
NumFastIselFailUSubWithOverflow++; return;
case Intrinsic::smul_with_overflow:
NumFastIselFailSMulWithOverflow++; return;
case Intrinsic::umul_with_overflow:
NumFastIselFailUMulWithOverflow++; return;
case Intrinsic::frameaddress:
NumFastIselFailFrameaddress++; return;
case Intrinsic::sqrt:
NumFastIselFailSqrt++; return;
case Intrinsic::experimental_stackmap:
NumFastIselFailStackMap++; return;
case Intrinsic::experimental_patchpoint_void: // fall-through
case Intrinsic::experimental_patchpoint_i64:
NumFastIselFailPatchPoint++; return;
}
}
NumFastIselFailCall++;
return;
}
case Instruction::Shl: NumFastIselFailShl++; return;
case Instruction::LShr: NumFastIselFailLShr++; return;
case Instruction::AShr: NumFastIselFailAShr++; return;