MC: Constify MCSubtargetInfo in getDeprecationInfo(), NFC

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

diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h
index 3209a2ce040832b071a05099409271acd116c529..6a582e82d00e652482d4c0fe253d85ab0d91487f 100644 (file)
--- a/include/llvm/MC/MCInstrDesc.h
+++ b/include/llvm/MC/MCInstrDesc.h
@@ -154,7 +154,8 @@ public:
 
   // A complex method to determine is a certain is deprecated or not, and return
   // 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
   /// 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
   /// returns the reason in \p Info.
-  bool getDeprecatedInfo(MCInst &MI, MCSubtargetInfo &STI,
+  bool getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
                          std::string &Info) const;
 
   /// \brief Return the opcode number for this descriptor.

diff --git a/lib/MC/MCInstrDesc.cpp b/lib/MC/MCInstrDesc.cpp
index decc2d84b25205bc1424026a71da1521c6e8b2e1..5be2fa1b30b6aed7f6efa163bc99361dbf1df9ea 100644 (file)
--- a/lib/MC/MCInstrDesc.cpp
+++ b/lib/MC/MCInstrDesc.cpp
@@ -19,7 +19,7 @@
 
 using namespace llvm;
 
-bool MCInstrDesc::getDeprecatedInfo(MCInst &MI, MCSubtargetInfo &STI,
+bool MCInstrDesc::getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
                                     std::string &Info) const {
   if (ComplexDeprecationInfo)
     return ComplexDeprecationInfo(MI, STI, Info);

diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
index 97823fb91009d8ea1a4b16443c59762bfd4faba0..51bf769083edc1cd63cba7c79fac8bf557672e18 100644 (file)
--- a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
@@ -31,7 +31,7 @@ using namespace llvm;
 #define GET_REGINFO_MC_DESC
 #include "ARMGenRegisterInfo.inc"
 
-static bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
+static bool getMCRDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
                                   std::string &Info) {
   if (STI.getFeatureBits()[llvm::ARM::HasV7Ops] &&
       (MI.getOperand(0).isImm() && MI.getOperand(0).getImm() == 15) &&
@@ -63,7 +63,7 @@ static bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
   return false;
 }
 
-static bool getITDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
+static bool getITDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
                                  std::string &Info) {
   if (STI.getFeatureBits()[llvm::ARM::HasV8Ops] && MI.getOperand(1).isImm() &&
       MI.getOperand(1).getImm() != 8) {
@@ -75,7 +75,7 @@ static bool getITDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
   return false;
 }
 
-static bool getARMStoreDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
+static bool getARMStoreDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
                                        std::string &Info) {
   assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] &&
          "cannot predicate thumb instructions");
@@ -92,7 +92,7 @@ static bool getARMStoreDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
   return false;
 }
 
-static bool getARMLoadDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
+static bool getARMLoadDeprecationInfo(MCInst &MI, const MCSubtargetInfo &STI,
                                       std::string &Info) {
   assert(!STI.getFeatureBits()[llvm::ARM::ModeThumb] &&
          "cannot predicate thumb instructions");