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Take Chris' suggestion and define EnableFastISelVerbose and

Browse Source 
EnableFastISelAbort variables for Release mode instead of
using ifdefs in the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58350 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-10-28 20:35:31 +00:00
parent 19bd0adf0d
commit 2275105edb
1 changed files with 3 additions and 8 deletions
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11
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -63,6 +63,9 @@ EnableFastISelVerbose("fast-isel-verbose", cl::Hidden,
static cl::opt<bool>
EnableFastISelAbort("fast-isel-abort", cl::Hidden,
cl::desc("Enable abort calls when \"fast\" instruction fails"));
#else
static const bool EnableFastISelVerbose = false,
EnableFastISelAbort = false;
#endif
static cl::opt<bool>
SchedLiveInCopies("schedule-livein-copies",
@ -703,10 +706,8 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
for (Function::arg_iterator I = Fn.arg_begin(), E = Fn.arg_end();
I != E; ++I, ++j)
if (Fn.paramHasAttr(j, Attribute::ByVal)) {
#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort)
cerr << "FastISel skips entry block due to byval argument\n";
#endif
SuppressFastISel = true;
break;
}
@ -770,14 +771,12 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// feed PHI nodes in successor blocks.
if (isa<TerminatorInst>(BI))
if (!HandlePHINodesInSuccessorBlocksFast(LLVMBB, FastIS)) {
#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort) {
cerr << "FastISel miss: ";
BI->dump();
}
if (EnableFastISelAbort)
assert(0 && "FastISel didn't handle a PHI in a successor");
#endif
break;
}
@ -791,12 +790,10 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// Then handle certain instructions as single-LLVM-Instruction blocks.
if (isa<CallInst>(BI)) {
#ifndef NDEBUG
if (EnableFastISelVerbose || EnableFastISelAbort) {
cerr << "FastISel missed call: ";
BI->dump();
}
#endif
if (BI->getType() != Type::VoidTy) {
unsigned &R = FuncInfo->ValueMap[BI];
@ -811,7 +808,6 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
continue;
}
#ifndef NDEBUG
// Otherwise, give up on FastISel for the rest of the block.
// For now, be a little lenient about non-branch terminators.
if (!isa<TerminatorInst>(BI) || isa<BranchInst>(BI)) {
@ -824,7 +820,6 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// For the purpose of debugging, just abort.
assert(0 && "FastISel didn't select the entire block");
}
#endif
break;
}
}