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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp4
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp2
-rw-r--r--llvm/lib/CodeGen/BranchRelaxation.cpp14
-rw-r--r--llvm/lib/CodeGen/CodeGenPrepare.cpp2
-rw-r--r--llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp6
-rw-r--r--llvm/lib/CodeGen/MachineCopyPropagation.cpp2
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp10
7 files changed, 26 insertions, 14 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 05fffe9..e2af0c5 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -119,6 +119,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/VCSRevision.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
@@ -476,6 +477,7 @@ void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
}
bool AsmPrinter::doInitialization(Module &M) {
+ VFS = vfs::getRealFileSystem();
auto *MMIWP = getAnalysisIfAvailable<MachineModuleInfoWrapperPass>();
MMI = MMIWP ? &MMIWP->getMMI() : nullptr;
HasSplitStack = false;
@@ -1683,7 +1685,7 @@ static ConstantInt *extractNumericCGTypeId(const Function &F) {
return nullptr;
}
-/// Emits .callgraph section.
+/// Emits .llvm.callgraph section.
void AsmPrinter::emitCallGraphSection(const MachineFunction &MF,
FunctionCallGraphInfo &FuncCGInfo) {
if (!MF.getTarget().Options.EmitCallGraphSection)
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
index c364ffc..8dd8b9da 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
@@ -36,6 +36,7 @@
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
@@ -98,6 +99,7 @@ void AsmPrinter::emitInlineAsm(StringRef Str, const MCSubtargetInfo &STI,
unsigned BufNum = addInlineAsmDiagBuffer(Str, LocMDNode);
SourceMgr &SrcMgr = *MMI->getContext().getInlineSourceManager();
SrcMgr.setIncludeDirs(MCOptions.IASSearchPaths);
+ SrcMgr.setVirtualFileSystem(VFS);
std::unique_ptr<MCAsmParser> Parser(
createMCAsmParser(SrcMgr, OutContext, *OutStreamer, *MAI, BufNum));
diff --git a/llvm/lib/CodeGen/BranchRelaxation.cpp b/llvm/lib/CodeGen/BranchRelaxation.cpp
index 2d50167..fae952e 100644
--- a/llvm/lib/CodeGen/BranchRelaxation.cpp
+++ b/llvm/lib/CodeGen/BranchRelaxation.cpp
@@ -491,6 +491,20 @@ bool BranchRelaxation::fixupConditionalBranch(MachineInstr &MI) {
return true;
}
if (FBB) {
+ // If we get here with a MBB which ends like this:
+ //
+ // bb.1:
+ // successors: %bb.2;
+ // ...
+ // BNE $x1, $x0, %bb.2
+ // PseudoBR %bb.2
+ //
+ // Just remove conditional branch.
+ if (TBB == FBB) {
+ removeBranch(MBB);
+ insertUncondBranch(MBB, TBB);
+ return true;
+ }
// We need to split the basic block here to obtain two long-range
// unconditional branches.
NewBB = createNewBlockAfter(*MBB);
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 4320b1d..9e78ec9 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -819,7 +819,7 @@ void CodeGenPrepare::removeAllAssertingVHReferences(Value *V) {
}
// Verify BFI has been updated correctly by recomputing BFI and comparing them.
-void LLVM_ATTRIBUTE_UNUSED CodeGenPrepare::verifyBFIUpdates(Function &F) {
+[[maybe_unused]] void CodeGenPrepare::verifyBFIUpdates(Function &F) {
DominatorTree NewDT(F);
LoopInfo NewLI(NewDT);
BranchProbabilityInfo NewBPI(F, NewLI, TLInfo);
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index cffaf7c..38ec83f 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -3292,8 +3292,7 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
if (TypeIdx != 2)
return UnableToLegalize;
Observer.changingInstr(MI);
- // TODO: Probably should be zext
- widenScalarSrc(MI, WideTy, 2, TargetOpcode::G_SEXT);
+ widenScalarSrc(MI, WideTy, 2, TargetOpcode::G_ZEXT);
Observer.changedInstr(MI);
return Legalized;
}
@@ -3325,8 +3324,7 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
if (TypeIdx == 2) {
Observer.changingInstr(MI);
- // TODO: Probably should be zext
- widenScalarSrc(MI, WideTy, 3, TargetOpcode::G_SEXT);
+ widenScalarSrc(MI, WideTy, 3, TargetOpcode::G_ZEXT);
Observer.changedInstr(MI);
return Legalized;
}
diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
index e359831..ea08365 100644
--- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp
@@ -1257,7 +1257,7 @@ void MachineCopyPropagation::BackwardCopyPropagateBlock(
Tracker.clear();
}
-static void LLVM_ATTRIBUTE_UNUSED printSpillReloadChain(
+[[maybe_unused]] static void printSpillReloadChain(
DenseMap<MachineInstr *, SmallVector<MachineInstr *>> &SpillChain,
DenseMap<MachineInstr *, SmallVector<MachineInstr *>> &ReloadChain,
MachineInstr *Leader) {
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 358e060..c97300d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -17759,7 +17759,6 @@ SDValue DAGCombiner::visitFADD(SDNode *N) {
bool N1CFP = DAG.isConstantFPBuildVectorOrConstantFP(N1);
EVT VT = N->getValueType(0);
SDLoc DL(N);
- const TargetOptions &Options = DAG.getTarget().Options;
SDNodeFlags Flags = N->getFlags();
SelectionDAG::FlagInserter FlagsInserter(DAG, N);
@@ -17825,7 +17824,7 @@ SDValue DAGCombiner::visitFADD(SDNode *N) {
bool AllowNewConst = (Level < AfterLegalizeDAG);
// If nnan is enabled, fold lots of things.
- if ((Options.NoNaNsFPMath || Flags.hasNoNaNs()) && AllowNewConst) {
+ if (Flags.hasNoNaNs() && AllowNewConst) {
// If allowed, fold (fadd (fneg x), x) -> 0.0
if (N0.getOpcode() == ISD::FNEG && N0.getOperand(0) == N1)
return DAG.getConstantFP(0.0, DL, VT);
@@ -17974,7 +17973,6 @@ SDValue DAGCombiner::visitFSUB(SDNode *N) {
ConstantFPSDNode *N1CFP = isConstOrConstSplatFP(N1, true);
EVT VT = N->getValueType(0);
SDLoc DL(N);
- const TargetOptions &Options = DAG.getTarget().Options;
const SDNodeFlags Flags = N->getFlags();
SelectionDAG::FlagInserter FlagsInserter(DAG, N);
@@ -18002,7 +18000,7 @@ SDValue DAGCombiner::visitFSUB(SDNode *N) {
if (N0 == N1) {
// (fsub x, x) -> 0.0
- if (Options.NoNaNsFPMath || Flags.hasNoNaNs())
+ if (Flags.hasNoNaNs())
return DAG.getConstantFP(0.0f, DL, VT);
}
@@ -18313,7 +18311,6 @@ template <class MatchContextClass> SDValue DAGCombiner::visitFMA(SDNode *N) {
ConstantFPSDNode *N2CFP = dyn_cast<ConstantFPSDNode>(N2);
EVT VT = N->getValueType(0);
SDLoc DL(N);
- const TargetOptions &Options = DAG.getTarget().Options;
// FMA nodes have flags that propagate to the created nodes.
SelectionDAG::FlagInserter FlagsInserter(DAG, N);
MatchContextClass matcher(DAG, TLI, N);
@@ -18339,8 +18336,7 @@ template <class MatchContextClass> SDValue DAGCombiner::visitFMA(SDNode *N) {
return matcher.getNode(ISD::FMA, DL, VT, NegN0, NegN1, N2);
}
- if ((Options.NoNaNsFPMath && N->getFlags().hasNoInfs()) ||
- (N->getFlags().hasNoNaNs() && N->getFlags().hasNoInfs())) {
+ if (N->getFlags().hasNoNaNs() && N->getFlags().hasNoInfs()) {
if (N->getFlags().hasNoSignedZeros() ||
(N2CFP && !N2CFP->isExactlyValue(-0.0))) {
if (N0CFP && N0CFP->isZero())
generated by cgit v1.1 at 2025-10-16 02:51:40 +0000