diff options
Diffstat (limited to 'include/llvm/Target/TargetMachine.h')
| -rw-r--r-- | include/llvm/Target/TargetMachine.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index 5ac1d69..ce293d5 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -19,7 +19,6 @@ namespace llvm { -class Target; class TargetAsmInfo; class TargetData; class TargetSubtarget; @@ -100,14 +99,11 @@ class TargetMachine { TargetMachine(const TargetMachine &); // DO NOT IMPLEMENT void operator=(const TargetMachine &); // DO NOT IMPLEMENT protected: // Can only create subclasses. - TargetMachine(const Target &); + TargetMachine(); /// getSubtargetImpl - virtual method implemented by subclasses that returns /// a reference to that target's TargetSubtarget-derived member variable. virtual const TargetSubtarget *getSubtargetImpl() const { return 0; } - - /// TheTarget - The Target that this machine was created for. - const Target &TheTarget; /// AsmInfo - Contains target specific asm information. /// @@ -120,7 +116,18 @@ protected: // Can only create subclasses. public: virtual ~TargetMachine(); - const Target &getTarget() const { return TheTarget; } + /// getModuleMatchQuality - This static method should be implemented by + /// targets to indicate how closely they match the specified module. This is + /// used by the LLC tool to determine which target to use when an explicit + /// -march option is not specified. If a target returns zero, it will never + /// be chosen without an explicit -march option. + static unsigned getModuleMatchQuality(const Module &) { return 0; } + + /// getJITMatchQuality - This static method should be implemented by targets + /// that provide JIT capabilities to indicate how suitable they are for + /// execution on the current host. If a value of 0 is returned, the target + /// will not be used unless an explicit -march option is used. + static unsigned getJITMatchQuality() { return 0; } // Interfaces to the major aspects of target machine information: // -- Instruction opcode and operand information @@ -301,7 +308,7 @@ public: /// class LLVMTargetMachine : public TargetMachine { protected: // Can only create subclasses. - LLVMTargetMachine(const Target &T) : TargetMachine(T) { } + LLVMTargetMachine() { } /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for /// both emitting to assembly files or machine code output. |