/// createMachineVerifierPass - This pass verifies cenerated machine code
/// instructions for correctness.
- FunctionPass *createMachineVerifierPass();
+ FunctionPass *createMachineVerifierPass(const char *Banner = 0);
/// createDwarfEHPass - This pass mulches exception handling code into a form
/// adapted to code generation. Required if using dwarf exception handling.
MachineFunction &mf,
VirtRegMap &vrm) {
if (VerifySpills)
- mf.verify(&pass);
+ mf.verify(&pass, "When creating inline spiller");
return new InlineSpiller(pass, mf, vrm);
}
}
LiveRangeEdit edit(*li, newIntervals, spillIs);
spill(edit);
if (VerifySpills)
- mf_.verify(&pass_);
+ mf_.verify(&pass_, "After inline spill");
}
void InlineSpiller::spill(LiveRangeEdit &edit) {
namespace {
struct MachineVerifier {
- MachineVerifier(Pass *pass) :
+ MachineVerifier(Pass *pass, const char *b) :
PASS(pass),
+ Banner(b),
OutFileName(getenv("LLVM_VERIFY_MACHINEINSTRS"))
{}
bool runOnMachineFunction(MachineFunction &MF);
Pass *const PASS;
+ const char *Banner;
const char *const OutFileName;
raw_ostream *OS;
const MachineFunction *MF;
struct MachineVerifierPass : public MachineFunctionPass {
static char ID; // Pass ID, replacement for typeid
+ const char *const Banner;
- MachineVerifierPass()
- : MachineFunctionPass(ID) {
+ MachineVerifierPass(const char *b = 0)
+ : MachineFunctionPass(ID), Banner(b) {
initializeMachineVerifierPassPass(*PassRegistry::getPassRegistry());
}
}
bool runOnMachineFunction(MachineFunction &MF) {
- MF.verify(this);
+ MF.verify(this, Banner);
return false;
}
};
INITIALIZE_PASS(MachineVerifierPass, "machineverifier",
"Verify generated machine code", false, false)
-FunctionPass *llvm::createMachineVerifierPass() {
- return new MachineVerifierPass();
+FunctionPass *llvm::createMachineVerifierPass(const char *Banner) {
+ return new MachineVerifierPass(Banner);
}
-void MachineFunction::verify(Pass *p) const {
- MachineVerifier(p).runOnMachineFunction(const_cast<MachineFunction&>(*this));
+void MachineFunction::verify(Pass *p, const char *Banner) const {
+ MachineVerifier(p, Banner)
+ .runOnMachineFunction(const_cast<MachineFunction&>(*this));
}
bool MachineVerifier::runOnMachineFunction(MachineFunction &MF) {
void MachineVerifier::report(const char *msg, const MachineFunction *MF) {
assert(MF);
*OS << '\n';
- if (!foundErrors++)
+ if (!foundErrors++) {
+ if (Banner)
+ *OS << "# " << Banner << '\n';
MF->print(*OS, Indexes);
+ }
*OS << "*** Bad machine code: " << msg << " ***\n"
<< "- function: " << MF->getFunction()->getNameStr() << "\n";
}
.splitAroundLoop(Loop->getLoop());
if (VerifyEnabled)
- MF->verify(this);
+ MF->verify(this, "After splitting live range around loop");
// We have new split regs, don't assign anything.
return 0;
MF = &mf;
if (VerifyEnabled)
- MF->verify(this);
+ MF->verify(this, "Before greedy register allocator");
RegAllocBase::init(getAnalysis<VirtRegMap>(), getAnalysis<LiveIntervals>());
DomTree = &getAnalysis<MachineDominatorTree>();