diff options
Diffstat (limited to 'contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h')
-rw-r--r-- | contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h b/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h new file mode 100644 index 0000000..a71b595 --- /dev/null +++ b/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h @@ -0,0 +1,58 @@ +//===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H +#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H + +#include "llvm/CodeGen/MachineConstantPool.h" +#include "llvm/Support/ErrorHandling.h" + +namespace llvm { + +class GlobalValue; + +namespace SystemZCP { +enum SystemZCPModifier { + TLSGD, + TLSLDM, + DTPOFF, + NTPOFF +}; +} // end namespace SystemZCP + +/// A SystemZ-specific constant pool value. At present, the only +/// defined constant pool values are module IDs or offsets of +/// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF, +/// or x@NTPOFF). +class SystemZConstantPoolValue : public MachineConstantPoolValue { + const GlobalValue *GV; + SystemZCP::SystemZCPModifier Modifier; + +protected: + SystemZConstantPoolValue(const GlobalValue *GV, + SystemZCP::SystemZCPModifier Modifier); + +public: + static SystemZConstantPoolValue * + Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier); + + // Override MachineConstantPoolValue. + int getExistingMachineCPValue(MachineConstantPool *CP, + unsigned Alignment) override; + void addSelectionDAGCSEId(FoldingSetNodeID &ID) override; + void print(raw_ostream &O) const override; + + // Access SystemZ-specific fields. + const GlobalValue *getGlobalValue() const { return GV; } + SystemZCP::SystemZCPModifier getModifier() const { return Modifier; } +}; + +} // end namespace llvm + +#endif |