Convert assert(0) to llvm_unreachable

[oota-llvm.git] / lib / Target / PowerPC / InstPrinter / PPCInstPrinter.cpp

diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index c8037b3b6ad785927d061a22d33232f4b55879d8..000d6d412ec7b5f95a63a1b7760b3615b3706226 100644 (file)
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -13,7 +13,8 @@
 
 #define DEBUG_TYPE "asm-printer"
 #include "PPCInstPrinter.h"
-#include "PPCPredicates.h"
+#include "MCTargetDesc/PPCBaseInfo.h"
+#include "MCTargetDesc/PPCPredicates.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/Support/raw_ostream.h"
@@ -26,8 +27,12 @@ StringRef PPCInstPrinter::getOpcodeName(unsigned Opcode) const {
   return getInstructionName(Opcode);
 }
 
+void PPCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
+  OS << getRegisterName(RegNo);
+}
 
-void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
+void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
+                               StringRef Annot) {
   // Check for slwi/srwi mnemonics.
   if (MI->getOpcode() == PPC::RLWINM) {
     unsigned char SH = MI->getOperand(2).getImm();
@@ -46,6 +51,8 @@ void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
       O << ", ";
       printOperand(MI, 1, O);
       O << ", " << (unsigned int)SH;
+
+      printAnnotation(O, Annot);
       return;
     }
   }
@@ -56,6 +63,7 @@ void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
     printOperand(MI, 0, O);
     O << ", ";
     printOperand(MI, 1, O);
+    printAnnotation(O, Annot);
     return;
   }
   
@@ -69,11 +77,13 @@ void PPCInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
       O << ", ";
       printOperand(MI, 1, O);
       O << ", " << (unsigned int)SH;
+      printAnnotation(O, Annot);
       return;
     }
   }
   
   printInstruction(MI, O);
+  printAnnotation(O, Annot);
 }
 
 
@@ -84,7 +94,6 @@ void PPCInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
   unsigned Code = MI->getOperand(OpNo).getImm();
   if (StringRef(Modifier) == "cc") {
     switch ((PPC::Predicate)Code) {
-    default: assert(0 && "Invalid predicate");
     case PPC::PRED_ALWAYS: return; // Don't print anything for always.
     case PPC::PRED_LT: O << "lt"; return;
     case PPC::PRED_LE: O << "le"; return;
@@ -165,7 +174,7 @@ void PPCInstPrinter::printcrbitm(const MCInst *MI, unsigned OpNo,
   unsigned CCReg = MI->getOperand(OpNo).getReg();
   unsigned RegNo;
   switch (CCReg) {
-  default: assert(0 && "Unknown CR register");
+  default: llvm_unreachable("Unknown CR register");
   case PPC::CR0: RegNo = 0; break;
   case PPC::CR1: RegNo = 1; break;
   case PPC::CR2: RegNo = 2; break;
@@ -222,7 +231,7 @@ void PPCInstPrinter::printMemRegReg(const MCInst *MI, unsigned OpNo,
 
 /// stripRegisterPrefix - This method strips the character prefix from a
 /// register name so that only the number is left.  Used by for linux asm.
-const char *stripRegisterPrefix(const char *RegName) {
+static const char *stripRegisterPrefix(const char *RegName) {
   switch (RegName[0]) {
   case 'r':
   case 'f':