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Diffstat (limited to 'contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp')
-rw-r--r--contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp33
1 files changed, 31 insertions, 2 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp b/contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp
index 1d50e1d22b95..fd52191882cb 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/CommandFlags.cpp
@@ -13,7 +13,12 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/CommandFlags.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Module.h"
+#include "llvm/MC/MCTargetOptionsCommandFlags.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Host.h"
@@ -58,6 +63,7 @@ CGOPT(bool, EnableUnsafeFPMath)
CGOPT(bool, EnableNoInfsFPMath)
CGOPT(bool, EnableNoNaNsFPMath)
CGOPT(bool, EnableNoSignedZerosFPMath)
+CGOPT(bool, EnableApproxFuncFPMath)
CGOPT(bool, EnableNoTrappingFPMath)
CGOPT(bool, EnableAIXExtendedAltivecABI)
CGOPT(DenormalMode::DenormalModeKind, DenormalFPMath)
@@ -73,6 +79,7 @@ CGOPT(bool, StackSymbolOrdering)
CGOPT(bool, StackRealign)
CGOPT(std::string, TrapFuncName)
CGOPT(bool, UseCtors)
+CGOPT(bool, LowerGlobalDtorsViaCxaAtExit)
CGOPT(bool, RelaxELFRelocations)
CGOPT_EXP(bool, DataSections)
CGOPT_EXP(bool, FunctionSections)
@@ -94,6 +101,7 @@ CGOPT(bool, ForceDwarfFrameSection)
CGOPT(bool, XRayOmitFunctionIndex)
CGOPT(bool, DebugStrictDwarf)
CGOPT(unsigned, AlignLoops)
+CGOPT(bool, JMCInstrument)
codegen::RegisterCodeGenFlags::RegisterCodeGenFlags() {
#define CGBINDOPT(NAME) \
@@ -218,6 +226,12 @@ codegen::RegisterCodeGenFlags::RegisterCodeGenFlags() {
cl::init(false));
CGBINDOPT(EnableNoSignedZerosFPMath);
+ static cl::opt<bool> EnableApproxFuncFPMath(
+ "enable-approx-func-fp-math",
+ cl::desc("Enable FP math optimizations that assume approx func"),
+ cl::init(false));
+ CGBINDOPT(EnableApproxFuncFPMath);
+
static cl::opt<bool> EnableNoTrappingFPMath(
"enable-no-trapping-fp-math",
cl::desc("Enable setting the FP exceptions build "
@@ -333,6 +347,12 @@ codegen::RegisterCodeGenFlags::RegisterCodeGenFlags() {
cl::init(false));
CGBINDOPT(UseCtors);
+ static cl::opt<bool> LowerGlobalDtorsViaCxaAtExit(
+ "lower-global-dtors-via-cxa-atexit",
+ cl::desc("Lower llvm.global_dtors (global destructors) via __cxa_atexit"),
+ cl::init(true));
+ CGBINDOPT(LowerGlobalDtorsViaCxaAtExit);
+
static cl::opt<bool> RelaxELFRelocations(
"relax-elf-relocations",
cl::desc(
@@ -457,6 +477,12 @@ codegen::RegisterCodeGenFlags::RegisterCodeGenFlags() {
cl::desc("Default alignment for loops"));
CGBINDOPT(AlignLoops);
+ static cl::opt<bool> JMCInstrument(
+ "enable-jmc-instrument",
+ cl::desc("Instrument functions with a call to __CheckForDebuggerJustMyCode"),
+ cl::init(false));
+ CGBINDOPT(JMCInstrument);
+
#undef CGBINDOPT
mc::RegisterMCTargetOptionsFlags();
@@ -493,6 +519,7 @@ codegen::InitTargetOptionsFromCodeGenFlags(const Triple &TheTriple) {
Options.NoInfsFPMath = getEnableNoInfsFPMath();
Options.NoNaNsFPMath = getEnableNoNaNsFPMath();
Options.NoSignedZerosFPMath = getEnableNoSignedZerosFPMath();
+ Options.ApproxFuncFPMath = getEnableApproxFuncFPMath();
Options.NoTrappingFPMath = getEnableNoTrappingFPMath();
DenormalMode::DenormalModeKind DenormKind = getDenormalFPMath();
@@ -509,9 +536,10 @@ codegen::InitTargetOptionsFromCodeGenFlags(const Triple &TheTriple) {
Options.GuaranteedTailCallOpt = getEnableGuaranteedTailCallOpt();
Options.StackSymbolOrdering = getStackSymbolOrdering();
Options.UseInitArray = !getUseCtors();
+ Options.LowerGlobalDtorsViaCxaAtExit = getLowerGlobalDtorsViaCxaAtExit();
Options.RelaxELFRelocations = getRelaxELFRelocations();
Options.DataSections =
- getExplicitDataSections().getValueOr(TheTriple.hasDefaultDataSections());
+ getExplicitDataSections().value_or(TheTriple.hasDefaultDataSections());
Options.FunctionSections = getFunctionSections();
Options.IgnoreXCOFFVisibility = getIgnoreXCOFFVisibility();
Options.XCOFFTracebackTable = getXCOFFTracebackTable();
@@ -531,6 +559,7 @@ codegen::InitTargetOptionsFromCodeGenFlags(const Triple &TheTriple) {
Options.XRayOmitFunctionIndex = getXRayOmitFunctionIndex();
Options.DebugStrictDwarf = getDebugStrictDwarf();
Options.LoopAlignment = getAlignLoops();
+ Options.JMCInstrument = getJMCInstrument();
Options.MCOptions = mc::InitMCTargetOptionsFromFlags();
@@ -643,6 +672,7 @@ void codegen::setFunctionAttributes(StringRef CPU, StringRef Features,
HANDLE_BOOL_ATTR(EnableNoInfsFPMathView, "no-infs-fp-math");
HANDLE_BOOL_ATTR(EnableNoNaNsFPMathView, "no-nans-fp-math");
HANDLE_BOOL_ATTR(EnableNoSignedZerosFPMathView, "no-signed-zeros-fp-math");
+ HANDLE_BOOL_ATTR(EnableApproxFuncFPMathView, "approx-func-fp-math");
if (DenormalFPMathView->getNumOccurrences() > 0 &&
!F.hasFnAttribute("denormal-fp-math")) {
@@ -684,4 +714,3 @@ void codegen::setFunctionAttributes(StringRef CPU, StringRef Features,
for (Function &F : M)
setFunctionAttributes(CPU, Features, F);
}
-