[llvm] r283013 - Use StringRef in Datalayout API (NFC)

[Mehdi Amini via llvm-commits]

Author: mehdi_amini
Date: Sat Oct  1 00:57:55 2016
New Revision: 283013

URL: http://llvm.org/viewvc/llvm-project?rev=283013&view=rev
Log:
Use StringRef in Datalayout API (NFC)

Modified:
    llvm/trunk/include/llvm/IR/DataLayout.h
    llvm/trunk/lib/CodeGen/MachineFunction.cpp
    llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp
    llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp

Modified: llvm/trunk/include/llvm/IR/DataLayout.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/DataLayout.h?rev=283013&r1=283012&r2=283013&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/DataLayout.h (original)
+++ llvm/trunk/include/llvm/IR/DataLayout.h Sat Oct  1 00:57:55 2016
@@ -261,7 +261,7 @@ public:
 
   bool hasLinkerPrivateGlobalPrefix() const { return ManglingMode == MM_MachO; }
 
-  const char *getLinkerPrivateGlobalPrefix() const {
+  StringRef getLinkerPrivateGlobalPrefix() const {
     if (ManglingMode == MM_MachO)
       return "l";
     return "";
@@ -281,7 +281,7 @@ public:
     llvm_unreachable("invalid mangling mode");
   }
 
-  const char *getPrivateGlobalPrefix() const {
+  StringRef getPrivateGlobalPrefix() const {
     switch (ManglingMode) {
     case MM_None:
       return "";

Modified: llvm/trunk/lib/CodeGen/MachineFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineFunction.cpp?rev=283013&r1=283012&r2=283013&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineFunction.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineFunction.cpp Sat Oct  1 00:57:55 2016
@@ -544,8 +544,8 @@ MCSymbol *MachineFunction::getJTISymbol(
   assert(JumpTableInfo && "No jump tables");
   assert(JTI < JumpTableInfo->getJumpTables().size() && "Invalid JTI!");
 
-  const char *Prefix = isLinkerPrivate ? DL.getLinkerPrivateGlobalPrefix()
-                                       : DL.getPrivateGlobalPrefix();
+  StringRef Prefix = isLinkerPrivate ? DL.getLinkerPrivateGlobalPrefix()
+                                     : DL.getPrivateGlobalPrefix();
   SmallString<60> Name;
   raw_svector_ostream(Name)
     << Prefix << "JTI" << getFunctionNumber() << '_' << JTI;

Modified: llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp?rev=283013&r1=283012&r2=283013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64AsmPrinter.cpp Sat Oct  1 00:57:55 2016
@@ -160,7 +160,7 @@ MCSymbol *AArch64AsmPrinter::GetCPISymbo
   // Darwin uses a linker-private symbol name for constant-pools (to
   // avoid addends on the relocation?), ELF has no such concept and
   // uses a normal private symbol.
-  if (getDataLayout().getLinkerPrivateGlobalPrefix()[0])
+  if (!getDataLayout().getLinkerPrivateGlobalPrefix().empty())
     return OutContext.getOrCreateSymbol(
         Twine(getDataLayout().getLinkerPrivateGlobalPrefix()) + "CPI" +
         Twine(getFunctionNumber()) + "_" + Twine(CPID));

Modified: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp?rev=283013&r1=283012&r2=283013&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp Sat Oct  1 00:57:55 2016
@@ -939,7 +939,7 @@ void ARMAsmPrinter::emitAttributes() {
 
 //===----------------------------------------------------------------------===//
 
-static MCSymbol *getPICLabel(const char *Prefix, unsigned FunctionNumber,
+static MCSymbol *getPICLabel(StringRef Prefix, unsigned FunctionNumber,
                              unsigned LabelId, MCContext &Ctx) {
 
   MCSymbol *Label = Ctx.getOrCreateSymbol(Twine(Prefix)