don't check the result of printInstruction anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78444 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 11 insertions, 24 deletions

diff --git a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index c2152a42b3..92b85d304c 100644
--- a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -175,9 +175,7 @@ bool AlphaAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
          II != E; ++II) {
       // Print the assembly for the instruction.
       ++EmittedInsts;
-      if (!printInstruction(II)) {
-        llvm_unreachable("Unhandled instruction in asm writer!");
-      }
+      printInstruction(II);
     }
   }
 
diff --git a/lib/Target/MSP430/MSP430AsmPrinter.cpp b/lib/Target/MSP430/MSP430AsmPrinter.cpp
index 2da7cdd61c..573ca57ec0 100644
--- a/lib/Target/MSP430/MSP430AsmPrinter.cpp
+++ b/lib/Target/MSP430/MSP430AsmPrinter.cpp
@@ -142,10 +142,7 @@ void MSP430AsmPrinter::printMachineInstruction(const MachineInstr *MI) {
   ++EmittedInsts;
 
   // Call the autogenerated instruction printer routines.
-  if (printInstruction(MI))
-    return;
-
-  llvm_unreachable("Should not happen");
+  printInstruction(MI);
 }
 
 void MSP430AsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index d7e050f640..8a0c767db5 100644
--- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -571,10 +571,7 @@ void PPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
     }
   }
 
-  if (printInstruction(MI))
-    return; // Printer was automatically generated
-
-  llvm_unreachable("Unhandled instruction in asm writer!");
+  printInstruction(MI);
 }
 
 /// runOnMachineFunction - This uses the printMachineInstruction()
diff --git a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
index b82396895f..2c73517db9 100644
--- a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
+++ b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
@@ -152,10 +152,7 @@ void SystemZAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
   ++EmittedInsts;
 
   // Call the autogenerated instruction printer routines.
-  if (printInstruction(MI))
-    return;
-
-  llvm_unreachable("Unreachable!");
+  printInstruction(MI);
 }
 
 void SystemZAsmPrinter::printPCRelImmOperand(const MachineInstr *MI, int OpNum) {
diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
index dc312129d2..1b08c5f4c3 100644
--- a/lib/Target/XCore/XCoreAsmPrinter.cpp
+++ b/lib/Target/XCore/XCoreAsmPrinter.cpp
@@ -364,10 +364,7 @@ void XCoreAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
     O << "\n";
     return;
   }
-  if (printInstruction(MI)) {
-    return;
-  }
-  llvm_unreachable("Unhandled instruction in asm writer!");
+  printInstruction(MI);
 }
 
 bool XCoreAsmPrinter::doInitialization(Module &M) {
diff --git a/utils/TableGen/AsmWriterEmitter.cpp b/utils/TableGen/AsmWriterEmitter.cpp
index db23febbfb..95d4aac130 100644
--- a/utils/TableGen/AsmWriterEmitter.cpp
+++ b/utils/TableGen/AsmWriterEmitter.cpp
@@ -113,12 +113,14 @@ namespace llvm {
 
 
 std::string AsmWriterOperand::getCode() const {
-  if (OperandType == isLiteralTextOperand)
+  if (OperandType == isLiteralTextOperand) {
+    if (Str.size() == 1)
+      return "O << '" + Str + "'; ";
     return "O << \"" + Str + "\"; ";
+  }
 
-  if (OperandType == isLiteralStatementOperand) {
+  if (OperandType == isLiteralStatementOperand)
     return Str;
-  }
 
   std::string Result = Str + "(MI";
   if (MIOpNo != ~0U)
@@ -448,9 +450,8 @@ FindUniqueOperandCommands(std::vector<std::string> &UniqueOperandCommands,
     Command = "    " + Inst->Operands[0].getCode() + "\n";
 
     // If this is the last operand, emit a return.
-    if (Inst->Operands.size() == 1) {
+    if (Inst->Operands.size() == 1)
       Command += "    return true;\n";
-    }
     
     // Check to see if we already have 'Command' in UniqueOperandCommands.
     // If not, add it.