[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206129 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 3 deletions

diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h
index 214b593f4a..5896de7f76 100644
--- a/include/llvm/MC/MCInstrDesc.h
+++ b/include/llvm/MC/MCInstrDesc.h
@@ -504,7 +504,7 @@ public:
 
   /// \brief Return the number of implicit uses this instruction has.
   unsigned getNumImplicitUses() const {
-    if (ImplicitUses == 0) return 0;
+    if (!ImplicitUses) return 0;
     unsigned i = 0;
     for (; ImplicitUses[i]; ++i) /*empty*/;
     return i;
@@ -526,7 +526,7 @@ public:
 
   /// \brief Return the number of implicit defs this instruct has.
   unsigned getNumImplicitDefs() const {
-    if (ImplicitDefs == 0) return 0;
+    if (!ImplicitDefs) return 0;
     unsigned i = 0;
     for (; ImplicitDefs[i]; ++i) /*empty*/;
     return i;
@@ -544,7 +544,7 @@ public:
   /// \brief Return true if this instruction implicitly
   /// defines the specified physical register.
   bool hasImplicitDefOfPhysReg(unsigned Reg,
-                               const MCRegisterInfo *MRI = 0) const {
+                               const MCRegisterInfo *MRI = nullptr) const {
     if (const uint16_t *ImpDefs = ImplicitDefs)
       for (; *ImpDefs; ++ImpDefs)
         if (*ImpDefs == Reg || (MRI && MRI->isSubRegister(Reg, *ImpDefs)))