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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:11:02 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:11:02 +0000 |
| commit | 750ce4d809c7e2a298a389a512a17652ff5be3f2 (patch) | |
| tree | 70fbd90da02177c8e6ef82adba9fa8ace285a5e3 /lib/Target/TargetMachine.cpp | |
| parent | 5f970ec96e421f64db6b1c6509a902ea73d98cc7 (diff) | |
| download | FreeBSD-src-750ce4d809c7e2a298a389a512a17652ff5be3f2.zip FreeBSD-src-750ce4d809c7e2a298a389a512a17652ff5be3f2.tar.gz | |
Update LLVM to r103004.
Diffstat (limited to 'lib/Target/TargetMachine.cpp')
| -rw-r--r-- | lib/Target/TargetMachine.cpp | 59 |
1 files changed, 48 insertions, 11 deletions
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp index 88871e3..ac67c91 100644 --- a/lib/Target/TargetMachine.cpp +++ b/lib/Target/TargetMachine.cpp @@ -11,6 +11,8 @@ // //===----------------------------------------------------------------------===// +#include "llvm/CodeGen/MachineFunction.h" +#include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" @@ -25,6 +27,7 @@ namespace llvm { bool LessPreciseFPMADOption; bool PrintMachineCode; bool NoFramePointerElim; + bool NoFramePointerElimNonLeaf; bool NoExcessFPPrecision; bool UnsafeFPMath; bool FiniteOnlyFPMathOption; @@ -33,8 +36,7 @@ namespace llvm { FloatABI::ABIType FloatABIType; bool NoImplicitFloat; bool NoZerosInBSS; - bool DwarfExceptionHandling; - bool SjLjExceptionHandling; + bool JITExceptionHandling; bool JITEmitDebugInfo; bool JITEmitDebugInfoToDisk; bool UnwindTablesMandatory; @@ -58,6 +60,11 @@ DisableFPElim("disable-fp-elim", cl::location(NoFramePointerElim), cl::init(false)); static cl::opt<bool, true> +DisableFPElimNonLeaf("disable-non-leaf-fp-elim", + cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"), + cl::location(NoFramePointerElimNonLeaf), + cl::init(false)); +static cl::opt<bool, true> DisableExcessPrecision("disable-excess-fp-precision", cl::desc("Disable optimizations that may increase FP precision"), cl::location(NoExcessFPPrecision), @@ -107,14 +114,9 @@ DontPlaceZerosInBSS("nozero-initialized-in-bss", cl::location(NoZerosInBSS), cl::init(false)); static cl::opt<bool, true> -EnableDwarfExceptionHandling("enable-eh", - cl::desc("Emit DWARF exception handling (default if target supports)"), - cl::location(DwarfExceptionHandling), - cl::init(false)); -static cl::opt<bool, true> -EnableSjLjExceptionHandling("enable-sjlj-eh", - cl::desc("Emit SJLJ exception handling (default if target supports)"), - cl::location(SjLjExceptionHandling), +EnableJITExceptionHandling("jit-enable-eh", + cl::desc("Emit exception handling information"), + cl::location(JITExceptionHandling), cl::init(false)); // In debug builds, make this default to true. #ifdef NDEBUG @@ -197,7 +199,14 @@ EnableStrongPHIElim(cl::Hidden, "strong-phi-elim", cl::desc("Use strong PHI elimination."), cl::location(StrongPHIElim), cl::init(false)); - +static cl::opt<bool> +DataSections("fdata-sections", + cl::desc("Emit data into separate sections"), + cl::init(false)); +static cl::opt<bool> +FunctionSections("ffunction-sections", + cl::desc("Emit functions into separate sections"), + cl::init(false)); //--------------------------------------------------------------------------- // TargetMachine Class // @@ -244,7 +253,35 @@ void TargetMachine::setAsmVerbosityDefault(bool V) { AsmVerbosityDefault = V; } +bool TargetMachine::getFunctionSections() { + return FunctionSections; +} + +bool TargetMachine::getDataSections() { + return DataSections; +} + +void TargetMachine::setFunctionSections(bool V) { + FunctionSections = V; +} + +void TargetMachine::setDataSections(bool V) { + DataSections = V; +} + namespace llvm { + /// DisableFramePointerElim - This returns true if frame pointer elimination + /// optimization should be disabled for the given machine function. + bool DisableFramePointerElim(const MachineFunction &MF) { + if (NoFramePointerElim) + return true; + if (NoFramePointerElimNonLeaf) { + const MachineFrameInfo *MFI = MF.getFrameInfo(); + return MFI->hasCalls(); + } + return false; + } + /// LessPreciseFPMAD - This flag return true when -enable-fp-mad option /// is specified on the command line. When this flag is off(default), the /// code generator is not allowed to generate mad (multiply add) if the |
