eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform

that has it.

llvm-svn: 94581

5 files changed, 5 insertions, 11 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
index f2f444a13d0..28e0d97ae71 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
@@ -195,13 +195,12 @@ void DwarfPrinter::EmitReference(const MCSymbol *Sym, bool IsPCRelative,
   if (IsPCRelative) O << "-" << MAI->getPCSymbol();
 }
 
-/// EmitDifference - Emit the difference between two labels.  Some assemblers do
-/// not behave with absolute expressions with data directives, so there is an
-/// option (needsSet) to use an intermediary set expression.
+/// EmitDifference - Emit the difference between two labels.  If this assembler
+/// supports .set, we emit a .set of a temporary and then use it in the .word.
 void DwarfPrinter::EmitDifference(const char *TagHi, unsigned NumberHi,
                                   const char *TagLo, unsigned NumberLo,
                                   bool IsSmall) {
-  if (MAI->needsSet()) {
+  if (MAI->getSetDirective() != 0) {
     O << "\t.set\t";
     PrintLabelName("set", SetCounter, Flavor);
     O << ",";
@@ -232,7 +231,7 @@ void DwarfPrinter::EmitSectionOffset(const char* Label, const char* Section,
   else
     printAbsolute = MAI->isAbsoluteDebugSectionOffsets();
 
-  if (MAI->needsSet() && useSet) {
+  if (MAI->getSetDirective() != 0 && useSet) {
     O << "\t.set\t";
     PrintLabelName("set", SetCounter, Flavor);
     O << ",";
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
index 86fe2abc88e..31aa69ab094 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.h
@@ -138,9 +138,7 @@ public:
   void EmitReference(const MCSymbol *Sym, bool IsPCRelative = false,
                      bool Force32Bit = false) const;
 
-  /// EmitDifference - Emit the difference between two labels.  Some
-  /// assemblers do not behave with absolute expressions with data directives,
-  /// so there is an option (needsSet) to use an intermediary set expression.
+  /// EmitDifference - Emit the difference between two labels.
   void EmitDifference(const DWLabel &LabelHi, const DWLabel &LabelLo,
                       bool IsSmall = false) {
     EmitDifference(LabelHi.getTag(), LabelHi.getNumber(),
diff --git a/llvm/lib/MC/MCAsmInfo.cpp b/llvm/lib/MC/MCAsmInfo.cpp
index 796dcc4d330..4a86e1df89a 100644
--- a/llvm/lib/MC/MCAsmInfo.cpp
+++ b/llvm/lib/MC/MCAsmInfo.cpp
@@ -22,7 +22,6 @@ MCAsmInfo::MCAsmInfo() {
   HasSubsectionsViaSymbols = false;
   HasMachoZeroFillDirective = false;
   HasStaticCtorDtorReferenceInStaticMode = false;
-  NeedsSet = false;
   MaxInstLength = 4;
   PCSymbol = "$";
   SeparatorChar = ';';
diff --git a/llvm/lib/MC/MCAsmInfoDarwin.cpp b/llvm/lib/MC/MCAsmInfoDarwin.cpp
index 9902f501e47..2cf982f3938 100644
--- a/llvm/lib/MC/MCAsmInfoDarwin.cpp
+++ b/llvm/lib/MC/MCAsmInfoDarwin.cpp
@@ -21,7 +21,6 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
   GlobalPrefix = "_";
   PrivateGlobalPrefix = "L";
   LinkerPrivateGlobalPrefix = "l";
-  NeedsSet = true;
   AllowQuotesInName = true;
   HasSingleParameterDotFile = false;
   HasSubsectionsViaSymbols = true;
diff --git a/llvm/lib/Target/CellSPU/SPUMCAsmInfo.cpp b/llvm/lib/Target/CellSPU/SPUMCAsmInfo.cpp
index 03cdb2931db..c10b460e733 100644
--- a/llvm/lib/Target/CellSPU/SPUMCAsmInfo.cpp
+++ b/llvm/lib/Target/CellSPU/SPUMCAsmInfo.cpp
@@ -31,7 +31,6 @@ SPULinuxMCAsmInfo::SPULinuxMCAsmInfo(const Target &T, const StringRef &TT) {
   HasDotLocAndDotFile = true;
 
   SupportsDebugInformation = true;
-  NeedsSet = true;
 
   // Exception handling is not supported on CellSPU (think about it: you only
   // have 256K for code+data. Would you support exception handling?)