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author | Chris Lattner <sabre@nondot.org> | 2005-09-08 21:43:21 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2005-09-08 21:43:21 +0000 |
commit | e9f4ba8dd47de9da2a98db3bbe25b54d5a9607f1 (patch) | |
tree | 124f61dc8037c2d4b74211c078899e92b2537e2a /utils/TableGen/CodeGenTarget.h | |
parent | 33c92e92961c9a1aaaac767edeeac62dd787111e (diff) | |
download | external_llvm-e9f4ba8dd47de9da2a98db3bbe25b54d5a9607f1.zip external_llvm-e9f4ba8dd47de9da2a98db3bbe25b54d5a9607f1.tar.gz external_llvm-e9f4ba8dd47de9da2a98db3bbe25b54d5a9607f1.tar.bz2 |
Compute the value types that are natively supported by a target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23282 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenTarget.h')
-rw-r--r-- | utils/TableGen/CodeGenTarget.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h index 05d5cb2..1748e8c 100644 --- a/utils/TableGen/CodeGenTarget.h +++ b/utils/TableGen/CodeGenTarget.h @@ -47,9 +47,11 @@ class CodeGenTarget { mutable std::map<std::string, CodeGenInstruction> Instructions; mutable std::vector<CodeGenRegister> Registers; mutable std::vector<CodeGenRegisterClass> RegisterClasses; + mutable std::vector<MVT::ValueType> LegalValueTypes; void ReadRegisters() const; void ReadRegisterClasses() const; void ReadInstructions() const; + void ReadLegalValueTypes() const; public: CodeGenTarget(); @@ -70,16 +72,29 @@ public: /// Record *getAsmWriter() const; - const std::vector<CodeGenRegister> &getRegisters() { + const std::vector<CodeGenRegister> &getRegisters() const { if (Registers.empty()) ReadRegisters(); return Registers; } - const std::vector<CodeGenRegisterClass> getRegisterClasses() { + const std::vector<CodeGenRegisterClass> &getRegisterClasses() const { if (RegisterClasses.empty()) ReadRegisterClasses(); return RegisterClasses; } + const std::vector<MVT::ValueType> &getLegalValueTypes() const { + if (LegalValueTypes.empty()) ReadLegalValueTypes(); + return LegalValueTypes; + } + + /// isLegalValueType - Return true if the specified value type is natively + /// supported by the target (i.e. there are registers that directly hold it). + bool isLegalValueType(MVT::ValueType VT) const { + const std::vector<MVT::ValueType> &LegalVTs = getLegalValueTypes(); + for (unsigned i = 0, e = LegalVTs.size(); i != e; ++i) + if (LegalVTs[i] == VT) return true; + return false; + } /// getInstructions - Return all of the instructions defined for this target. /// |