diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 25 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.h | 2 |
2 files changed, 27 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index e5fa0d6a24f..2fd5e1061a1 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -18,6 +18,7 @@ #include "PPCTargetMachine.h" #include "PPCTargetObjectFile.h" #include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/StringSwitch.h" #include "llvm/CodeGen/CallingConvLower.h" #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineFunction.h" @@ -8757,6 +8758,30 @@ SDValue PPCTargetLowering::LowerFRAMEADDR(SDValue Op, return FrameAddr; } +// FIXME? Maybe this could be a TableGen attribute on some registers and +// this table could be generated automatically from RegInfo. +unsigned PPCTargetLowering::getRegisterByName(const char* RegName, + EVT VT) const { + bool isPPC64 = PPCSubTarget.isPPC64(); + bool isDarwinABI = PPCSubTarget.isDarwinABI(); + + if ((isPPC64 && VT != MVT::i64 && VT != MVT::i32) || + (!isPPC64 && VT != MVT::i32)) + report_fatal_error("Invalid register global variable type"); + + bool is64Bit = isPPC64 && VT == MVT::i64; + unsigned Reg = StringSwitch<unsigned>(RegName) + .Case("r1", is64Bit ? PPC::X1 : PPC::R1) + .Case("r2", isDarwinABI ? 0 : (is64Bit ? PPC::X2 : PPC::R2)) + .Case("r13", (!isPPC64 && isDarwinABI) ? 0 : + (is64Bit ? PPC::X13 : PPC::R13)) + .Default(0); + + if (Reg) + return Reg; + report_fatal_error("Invalid register name global variable"); +} + bool PPCTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const { // The PowerPC target isn't yet aware of offsets. diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h index f05f5dd6a68..98bdf266438 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.h +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h @@ -398,6 +398,8 @@ namespace llvm { SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const override; + unsigned getRegisterByName(const char* RegName, EVT VT) const override; + void computeMaskedBitsForTargetNode(const SDValue Op, APInt &KnownZero, APInt &KnownOne, |
