Convert assert(0) to llvm_unreachable

[oota-llvm.git] / lib / Target / MBlaze / MBlazeELFWriterInfo.cpp

diff --git a/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp b/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
index cf6312f0170823541ce0c6523df0bbe3a0b067c0..60a65bbb733438a9643bdb2e9aa1ee49d3602dca 100644 (file)
--- a/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
+++ b/lib/Target/MBlaze/MBlazeELFWriterInfo.cpp
@@ -14,6 +14,7 @@
 #include "MBlazeELFWriterInfo.h"
 #include "MBlazeRelocations.h"
 #include "llvm/Function.h"
+#include "llvm/Support/ELF.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
@@ -34,47 +35,45 @@ MBlazeELFWriterInfo::~MBlazeELFWriterInfo() {}
 unsigned MBlazeELFWriterInfo::getRelocationType(unsigned MachineRelTy) const {
   switch (MachineRelTy) {
   case MBlaze::reloc_pcrel_word:
-    return R_MICROBLAZE_64_PCREL;
+    return ELF::R_MICROBLAZE_64_PCREL;
   case MBlaze::reloc_absolute_word:
-    return R_MICROBLAZE_NONE;
+    return ELF::R_MICROBLAZE_NONE;
   default:
     llvm_unreachable("unknown mblaze machine relocation type");
   }
-  return 0;
 }
 
 long int MBlazeELFWriterInfo::getDefaultAddendForRelTy(unsigned RelTy,
                                                     long int Modifier) const {
   switch (RelTy) {
-  case R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL:
     return Modifier - 4;
-  case R_MICROBLAZE_32:
+  case ELF::R_MICROBLAZE_32:
     return Modifier;
   default:
     llvm_unreachable("unknown mblaze relocation type");
   }
-  return 0;
 }
 
 unsigned MBlazeELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
   // FIXME: Most of these sizes are guesses based on the name
   switch (RelTy) {
-  case R_MICROBLAZE_32:
-  case R_MICROBLAZE_32_PCREL:
-  case R_MICROBLAZE_32_PCREL_LO:
-  case R_MICROBLAZE_32_LO:
-  case R_MICROBLAZE_SRO32:
-  case R_MICROBLAZE_SRW32:
-  case R_MICROBLAZE_32_SYM_OP_SYM:
-  case R_MICROBLAZE_GOTOFF_32:
+  case ELF::R_MICROBLAZE_32:
+  case ELF::R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL_LO:
+  case ELF::R_MICROBLAZE_32_LO:
+  case ELF::R_MICROBLAZE_SRO32:
+  case ELF::R_MICROBLAZE_SRW32:
+  case ELF::R_MICROBLAZE_32_SYM_OP_SYM:
+  case ELF::R_MICROBLAZE_GOTOFF_32:
     return 32;
 
-  case R_MICROBLAZE_64_PCREL:
-  case R_MICROBLAZE_64:
-  case R_MICROBLAZE_GOTPC_64:
-  case R_MICROBLAZE_GOT_64:
-  case R_MICROBLAZE_PLT_64:
-  case R_MICROBLAZE_GOTOFF_64:
+  case ELF::R_MICROBLAZE_64_PCREL:
+  case ELF::R_MICROBLAZE_64:
+  case ELF::R_MICROBLAZE_GOTPC_64:
+  case ELF::R_MICROBLAZE_GOT_64:
+  case ELF::R_MICROBLAZE_PLT_64:
+  case ELF::R_MICROBLAZE_GOTOFF_64:
     return 64;
   }
 
@@ -84,10 +83,10 @@ unsigned MBlazeELFWriterInfo::getRelocationTySize(unsigned RelTy) const {
 bool MBlazeELFWriterInfo::isPCRelativeRel(unsigned RelTy) const {
   // FIXME: Most of these are guesses based on the name
   switch (RelTy) {
-  case R_MICROBLAZE_32_PCREL:
-  case R_MICROBLAZE_64_PCREL:
-  case R_MICROBLAZE_32_PCREL_LO:
-  case R_MICROBLAZE_GOTPC_64:
+  case ELF::R_MICROBLAZE_32_PCREL:
+  case ELF::R_MICROBLAZE_64_PCREL:
+  case ELF::R_MICROBLAZE_32_PCREL_LO:
+  case ELF::R_MICROBLAZE_GOTPC_64:
     return true;
   }
 
@@ -101,10 +100,8 @@ unsigned MBlazeELFWriterInfo::getAbsoluteLabelMachineRelTy() const {
 long int MBlazeELFWriterInfo::computeRelocation(unsigned SymOffset,
                                                 unsigned RelOffset,
                                                 unsigned RelTy) const {
-  if (RelTy == R_MICROBLAZE_32_PCREL || R_MICROBLAZE_64_PCREL)
+  if (RelTy == ELF::R_MICROBLAZE_32_PCREL || ELF::R_MICROBLAZE_64_PCREL)
     return SymOffset - (RelOffset + 4);
-  else
-    assert("computeRelocation unknown for this relocation type");
 
-  return 0;
+  llvm_unreachable("computeRelocation unknown for this relocation type");
 }