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[RISCV] Make RISCVIndirectBranchTracking visible in debug output #141623

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Merged
merged 2 commits into from
May 28, 2025
Merged

[RISCV] Make RISCVIndirectBranchTracking visible in debug output #141623

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a4ba729
[RISCV] Make RISCVIndirectBranchTracking visible in debug output
jaidTw May 25, 2025
284f7ec
fixup! clang-format
jaidTw May 27, 2025
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23 changes: 13 additions & 10 deletions llvm/lib/Target/RISCV/RISCVIndirectBranchTracking.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -20,34 +20,38 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"

#define DEBUG_TYPE "riscv-indrect-branch-tracking"
#define PASS_NAME "RISC-V Indirect Branch Tracking"

using namespace llvm;

cl::opt<uint32_t> PreferredLandingPadLabel(
"riscv-landing-pad-label", cl::ReallyHidden,
cl::desc("Use preferred fixed label for all labels"));

namespace {
class RISCVIndirectBranchTrackingPass : public MachineFunctionPass {
class RISCVIndirectBranchTracking : public MachineFunctionPass {
public:
RISCVIndirectBranchTrackingPass() : MachineFunctionPass(ID) {}
static char ID;
RISCVIndirectBranchTracking() : MachineFunctionPass(ID) {}

StringRef getPassName() const override {
return "RISC-V Indirect Branch Tracking";
}
StringRef getPassName() const override { return PASS_NAME; }

bool runOnMachineFunction(MachineFunction &MF) override;

private:
static char ID;
const Align LpadAlign = Align(4);
};

} // end anonymous namespace

char RISCVIndirectBranchTrackingPass::ID = 0;
INITIALIZE_PASS(RISCVIndirectBranchTracking, DEBUG_TYPE, PASS_NAME, false,
false)

char RISCVIndirectBranchTracking::ID = 0;

FunctionPass *llvm::createRISCVIndirectBranchTrackingPass() {
return new RISCVIndirectBranchTrackingPass();
return new RISCVIndirectBranchTracking();
}

static void emitLpad(MachineBasicBlock &MBB, const RISCVInstrInfo *TII,
Expand All @@ -57,8 +61,7 @@ static void emitLpad(MachineBasicBlock &MBB, const RISCVInstrInfo *TII,
.addImm(Label);
}

bool RISCVIndirectBranchTrackingPass::runOnMachineFunction(
MachineFunction &MF) {
bool RISCVIndirectBranchTracking::runOnMachineFunction(MachineFunction &MF) {
const auto &Subtarget = MF.getSubtarget<RISCVSubtarget>();
const RISCVInstrInfo *TII = Subtarget.getInstrInfo();
if (!Subtarget.hasStdExtZicfilp())
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1 change: 1 addition & 0 deletions llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
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Expand Up @@ -147,6 +147,7 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeRISCVTarget() {
initializeRISCVDAGToDAGISelLegacyPass(*PR);
initializeRISCVMoveMergePass(*PR);
initializeRISCVPushPopOptPass(*PR);
initializeRISCVIndirectBranchTrackingPass(*PR);
initializeRISCVLoadStoreOptPass(*PR);
initializeRISCVExpandAtomicPseudoPass(*PR);
initializeRISCVRedundantCopyEliminationPass(*PR);
Expand Down