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MC: Constify MCSubtargetInfo in getDeprecationInfo(), NFC

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There's no reason to be able to mutate `MCSubtargetInfo` in
`getDeprecationInfo()`.  Constify the reference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241693 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-07-08 17:30:55 +00:00
parent 4ea795b15a
commit dfcac4b07a
3 changed files with 8 additions and 7 deletions
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5
include/llvm/MC/MCInstrDesc.h
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@ -154,7 +154,8 @@ public:
// A complex method to determine is a certain is deprecated or not, and return // A complex method to determine is a certain is deprecated or not, and return
// the reason for deprecation. // the reason for deprecation.
bool (*ComplexDeprecationInfo)(MCInst &, MCSubtargetInfo &, std::string &); bool (*ComplexDeprecationInfo)(MCInst &, const MCSubtargetInfo &,
std::string &);
/// \brief Returns the value of the specific constraint if /// \brief Returns the value of the specific constraint if
/// it is set. Returns -1 if it is not set. /// it is set. Returns -1 if it is not set.
@ -170,7 +171,7 @@ public:
/// \brief Returns true if a certain instruction is deprecated and if so /// \brief Returns true if a certain instruction is deprecated and if so
/// returns the reason in \p Info. /// returns the reason in \p Info.
bool getDeprecatedInfo(MCInst &MI, MCSubtargetInfo &STI, bool getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) const; std::string &Info) const;
/// \brief Return the opcode number for this descriptor. /// \brief Return the opcode number for this descriptor.

2
lib/MC/MCInstrDesc.cpp
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@ -19,7 +19,7 @@
using namespace llvm; using namespace llvm;
bool MCInstrDesc::getDeprecatedInfo(MCInst &MI, MCSubtargetInfo &STI, bool MCInstrDesc::getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) const { std::string &Info) const {
if (ComplexDeprecationInfo) if (ComplexDeprecationInfo)
return ComplexDeprecationInfo(MI, STI, Info); return ComplexDeprecationInfo(MI, STI, Info);

8
lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
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@ -31,7 +31,7 @@ using namespace llvm;
#define GET_REGINFO_MC_DESC #define GET_REGINFO_MC_DESC
#include "ARMGenRegisterInfo.inc" #include "ARMGenRegisterInfo.inc"
static bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI, static bool getMCRDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) { std::string &Info) {
if (STI.getFeatureBits()[llvm::ARM::HasV7Ops] && if (STI.getFeatureBits()[llvm::ARM::HasV7Ops] &&
(MI.getOperand(0).isImm() && MI.getOperand(0).getImm() == 15) && (MI.getOperand(0).isImm() && MI.getOperand(0).getImm() == 15) &&
@ -63,7 +63,7 @@ static bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
return false; return false;
} }
static bool getITDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI, static bool getITDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) { std::string &Info) {
if (STI.getFeatureBits()[llvm::ARM::HasV8Ops] && MI.getOperand(1).isImm() && if (STI.getFeatureBits()[llvm::ARM::HasV8Ops] && MI.getOperand(1).isImm() &&
MI.getOperand(1).getImm() != 8) { MI.getOperand(1).getImm() != 8) {
@ -75,7 +75,7 @@ static bool getITDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
return false; return false;
} }
static bool getARMStoreDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI, static bool getARMStoreDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) { std::string &Info) {
assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] && assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] &&
"cannot predicate thumb instructions"); "cannot predicate thumb instructions");
@ -92,7 +92,7 @@ static bool getARMStoreDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
return false; return false;
} }
static bool getARMLoadDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI, static bool getARMLoadDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) { std::string &Info) {
assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] && assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] &&
"cannot predicate thumb instructions"); "cannot predicate thumb instructions");