diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 546a6068ad..2f14d79074 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -22,6 +22,7 @@ #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/Statistic.h" #include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringSwitch.h" #include "llvm/ADT/VariadicFunction.h" #include "llvm/CodeGen/IntrinsicLowering.h" #include "llvm/CodeGen/MachineFrameInfo.h" @@ -12726,6 +12727,18 @@ SDValue X86TargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const { return FrameAddr; } +// FIXME? Maybe this could be a TableGen attribute on some registers and +// this table could be generated automatically from RegInfo. +unsigned X86TargetLowering::getRegisterByName(const char* RegName) const { + unsigned Reg = StringSwitch<unsigned>(RegName) + .Case("esp", X86::ESP) + .Case("rsp", X86::RSP) + .Default(0); + if (Reg) + return Reg; + report_fatal_error("Invalid register name global variable"); +} + SDValue X86TargetLowering::LowerFRAME_TO_ARGS_OFFSET(SDValue Op, SelectionDAG &DAG) const { const X86RegisterInfo *RegInfo = |