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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp7
-rw-r--r--llvm/lib/CodeGen/BranchFolding.cpp47
-rw-r--r--llvm/lib/CodeGen/InterleavedAccessPass.cpp6
-rw-r--r--llvm/lib/CodeGen/MachineFunction.cpp3
-rw-r--r--llvm/lib/CodeGen/TargetLoweringBase.cpp34
-rw-r--r--llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp3
6 files changed, 69 insertions, 31 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 11b8576..7188833 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -972,10 +972,9 @@ void DwarfDebug::constructCallSiteEntryDIEs(const DISubprogram &SP,
// the call graph which could lead to some target function. For tail
// calls, no return PC information is needed, unless tuning for GDB in
// DWARF4 mode in which case we fake a return PC for compatibility.
- const MCSymbol *PCAddr =
- (!IsTail || CU.useGNUAnalogForDwarf5Feature())
- ? const_cast<MCSymbol *>(getLabelAfterInsn(TopLevelCallMI))
- : nullptr;
+ const MCSymbol *PCAddr = (!IsTail || CU.useGNUAnalogForDwarf5Feature())
+ ? getLabelAfterInsn(TopLevelCallMI)
+ : nullptr;
// For tail calls, it's necessary to record the address of the branch
// instruction so that the debugger can show where the tail call occurred.
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index 3b3e7a4..a7c99b1 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -2083,22 +2083,54 @@ bool BranchFolder::HoistCommonCodeInSuccs(MachineBasicBlock *MBB) {
if (TBB == FBB) {
MBB->splice(Loc, TBB, TBB->begin(), TIB);
} else {
+ // Merge the debug locations, and hoist and kill the debug instructions from
+ // both branches. FIXME: We could probably try harder to preserve some debug
+ // instructions (but at least this isn't producing wrong locations).
+ MachineInstrBuilder MIRBuilder(*MBB->getParent(), Loc);
+ auto HoistAndKillDbgInstr = [MBB, Loc](MachineBasicBlock::iterator DI) {
+ assert(DI->isDebugInstr() && "Expected a debug instruction");
+ if (DI->isDebugRef()) {
+ const TargetInstrInfo *TII =
+ MBB->getParent()->getSubtarget().getInstrInfo();
+ const MCInstrDesc &DBGV = TII->get(TargetOpcode::DBG_VALUE);
+ DI = BuildMI(*MBB->getParent(), DI->getDebugLoc(), DBGV, false, 0,
+ DI->getDebugVariable(), DI->getDebugExpression());
+ MBB->insert(Loc, &*DI);
+ return;
+ }
+ // Deleting a DBG_PHI results in an undef at the referenced DBG_INSTR_REF.
+ if (DI->isDebugPHI()) {
+ DI->eraseFromParent();
+ return;
+ }
+
+ DI->setDebugValueUndef();
+ DI->moveBefore(&*Loc);
+ };
+
// TIB and FIB point to the end of the regions to hoist/merge in TBB and
// FBB.
MachineBasicBlock::iterator FE = FIB;
MachineBasicBlock::iterator FI = FBB->begin();
for (MachineBasicBlock::iterator TI :
make_early_inc_range(make_range(TBB->begin(), TIB))) {
- // Move debug instructions and pseudo probes without modifying them.
- // FIXME: This is the wrong thing to do for debug locations, which
- // should at least be killed (and hoisted from BOTH blocks).
- if (TI->isDebugOrPseudoInstr()) {
- TI->moveBefore(&*Loc);
+ // Hoist and kill debug instructions from FBB. After this loop FI points
+ // to the next non-debug instruction to hoist (checked in assert after the
+ // TBB debug instruction handling code).
+ while (FI != FE && FI->isDebugInstr())
+ HoistAndKillDbgInstr(FI++);
+
+ // Kill debug instructions before moving.
+ if (TI->isDebugInstr()) {
+ HoistAndKillDbgInstr(TI);
continue;
}
- // Get the next non-meta instruction in FBB.
- FI = skipDebugInstructionsForward(FI, FE, false);
+ // FI and TI now point to identical non-debug instructions.
+ assert(FI != FE && "Unexpected end of FBB range");
+ // Pseudo probes are excluded from the range when identifying foldable
+ // instructions, so we don't expect to see one now.
+ assert(!TI->isPseudoProbe() && "Unexpected pseudo probe in range");
// NOTE: The loop above checks CheckKillDead but we can't do that here as
// it modifies some kill markers after the check.
assert(TI->isIdenticalTo(*FI, MachineInstr::CheckDefs) &&
@@ -2111,6 +2143,7 @@ bool BranchFolder::HoistCommonCodeInSuccs(MachineBasicBlock *MBB) {
++FI;
}
}
+
FBB->erase(FBB->begin(), FIB);
if (UpdateLiveIns)
diff --git a/llvm/lib/CodeGen/InterleavedAccessPass.cpp b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
index c2839d4..5e50898 100644
--- a/llvm/lib/CodeGen/InterleavedAccessPass.cpp
+++ b/llvm/lib/CodeGen/InterleavedAccessPass.cpp
@@ -634,6 +634,9 @@ bool InterleavedAccessImpl::lowerDeinterleaveIntrinsic(
<< " and factor = " << Factor << "\n");
} else {
assert(II);
+ if (II->getIntrinsicID() != Intrinsic::masked_load &&
+ II->getIntrinsicID() != Intrinsic::vp_load)
+ return false;
// Check mask operand. Handle both all-true/false and interleaved mask.
Mask = getMask(getMaskOperand(II), Factor, getDeinterleavedVectorType(DI));
@@ -673,6 +676,9 @@ bool InterleavedAccessImpl::lowerInterleaveIntrinsic(
Value *Mask = nullptr;
if (II) {
+ if (II->getIntrinsicID() != Intrinsic::masked_store &&
+ II->getIntrinsicID() != Intrinsic::vp_store)
+ return false;
// Check mask operand. Handle both all-true/false and interleaved mask.
Mask = getMask(getMaskOperand(II), Factor,
cast<VectorType>(InterleaveValues[0]->getType()));
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 429a17a..7ea2512 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -211,8 +211,7 @@ void MachineFunction::init() {
ConstantPool = new (Allocator) MachineConstantPool(getDataLayout());
Alignment = STI->getTargetLowering()->getMinFunctionAlignment();
- // FIXME: Use Function::hasOptSize().
- if (!F.getAlign() && !F.hasFnAttribute(Attribute::OptimizeForSize))
+ if (!F.getAlign() && !F.hasOptSize())
Alignment = std::max(Alignment,
STI->getTargetLowering()->getPrefFunctionAlignment());
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index d4a3455..68b8a00 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -806,7 +806,17 @@ void TargetLoweringBase::initActions() {
ISD::SDIVFIX, ISD::SDIVFIXSAT,
ISD::UDIVFIX, ISD::UDIVFIXSAT,
ISD::FP_TO_SINT_SAT, ISD::FP_TO_UINT_SAT,
- ISD::IS_FPCLASS},
+ ISD::IS_FPCLASS, ISD::FCBRT,
+ ISD::FLOG, ISD::FLOG2,
+ ISD::FLOG10, ISD::FEXP,
+ ISD::FEXP2, ISD::FEXP10,
+ ISD::FFLOOR, ISD::FNEARBYINT,
+ ISD::FCEIL, ISD::FRINT,
+ ISD::FTRUNC, ISD::FROUNDEVEN,
+ ISD::FTAN, ISD::FACOS,
+ ISD::FASIN, ISD::FATAN,
+ ISD::FCOSH, ISD::FSINH,
+ ISD::FTANH, ISD::FATAN2},
VT, Expand);
// Overflow operations default to expand
@@ -852,13 +862,12 @@ void TargetLoweringBase::initActions() {
// These operations default to expand for vector types.
if (VT.isVector())
- setOperationAction(
- {ISD::FCOPYSIGN, ISD::SIGN_EXTEND_INREG, ISD::ANY_EXTEND_VECTOR_INREG,
- ISD::SIGN_EXTEND_VECTOR_INREG, ISD::ZERO_EXTEND_VECTOR_INREG,
- ISD::SPLAT_VECTOR, ISD::LRINT, ISD::LLRINT, ISD::LROUND,
- ISD::LLROUND, ISD::FTAN, ISD::FACOS, ISD::FASIN, ISD::FATAN,
- ISD::FCOSH, ISD::FSINH, ISD::FTANH, ISD::FATAN2},
- VT, Expand);
+ setOperationAction({ISD::FCOPYSIGN, ISD::SIGN_EXTEND_INREG,
+ ISD::ANY_EXTEND_VECTOR_INREG,
+ ISD::SIGN_EXTEND_VECTOR_INREG,
+ ISD::ZERO_EXTEND_VECTOR_INREG, ISD::SPLAT_VECTOR,
+ ISD::LRINT, ISD::LLRINT, ISD::LROUND, ISD::LLROUND},
+ VT, Expand);
// Constrained floating-point operations default to expand.
#define DAG_INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC, DAGN) \
@@ -914,15 +923,6 @@ void TargetLoweringBase::initActions() {
{MVT::bf16, MVT::f16, MVT::f32, MVT::f64, MVT::f80, MVT::f128},
Expand);
- // These library functions default to expand.
- setOperationAction({ISD::FCBRT, ISD::FLOG, ISD::FLOG2, ISD::FLOG10,
- ISD::FEXP, ISD::FEXP2, ISD::FEXP10, ISD::FFLOOR,
- ISD::FNEARBYINT, ISD::FCEIL, ISD::FRINT, ISD::FTRUNC,
- ISD::FROUNDEVEN, ISD::FTAN, ISD::FACOS, ISD::FASIN,
- ISD::FATAN, ISD::FCOSH, ISD::FSINH, ISD::FTANH,
- ISD::FATAN2},
- {MVT::f32, MVT::f64, MVT::f128}, Expand);
-
// Insert custom handling default for llvm.canonicalize.*.
setOperationAction(ISD::FCANONICALIZE,
{MVT::f16, MVT::f32, MVT::f64, MVT::f128}, Expand);
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 408d07b..725e951 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -1734,7 +1734,8 @@ MCSection *TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(
Name == getInstrProfSectionName(IPSK_covdata, Triple::COFF,
/*AddSegmentInfo=*/false) ||
Name == getInstrProfSectionName(IPSK_covname, Triple::COFF,
- /*AddSegmentInfo=*/false))
+ /*AddSegmentInfo=*/false) ||
+ Name == ".llvmbc" || Name == ".llvmcmd")
Kind = SectionKind::getMetadata();
int Selection = 0;
unsigned Characteristics = getCOFFSectionFlags(Kind, TM);