[PowerPC] Fix switch warnings from r183841.

Introducing PRED_BAD caused some unexpected warnings that are now
suppressed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183854 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index 432167e33554260037086ebc6f76f69f33e5de08..f0a57c080a7e061c3b5107a4f5bf12bc592d7e96 100644 (file)
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -90,6 +90,7 @@ void PPCInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
 
   if (StringRef(Modifier) == "cc") {
     switch ((PPC::Predicate)Code) {
+    default: llvm_unreachable("Bad predicate!");
     case PPC::PRED_LT: O << "lt"; return;
     case PPC::PRED_LE: O << "le"; return;
     case PPC::PRED_EQ: O << "eq"; return;

diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp
index 853e5053956bdd65aab1153f0186f0f72470383d..1c69a0bcd9fb833e14099c47aa125d9c5b9d3971 100644 (file)
--- a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp
@@ -18,6 +18,7 @@ using namespace llvm;
 
 PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) {
   switch (Opcode) {
+  default: llvm_unreachable("Unknown PPC branch opcode!");
   case PPC::PRED_EQ: return PPC::PRED_NE;
   case PPC::PRED_NE: return PPC::PRED_EQ;
   case PPC::PRED_LT: return PPC::PRED_GE;
@@ -27,11 +28,11 @@ PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) {
   case PPC::PRED_NU: return PPC::PRED_UN;
   case PPC::PRED_UN: return PPC::PRED_NU;
   }
-  llvm_unreachable("Unknown PPC branch opcode!");
 }
 
 PPC::Predicate PPC::getSwappedPredicate(PPC::Predicate Opcode) {
   switch (Opcode) {
+  default: llvm_unreachable("Unknown PPC branch opcode!");
   case PPC::PRED_EQ: return PPC::PRED_EQ;
   case PPC::PRED_NE: return PPC::PRED_NE;
   case PPC::PRED_LT: return PPC::PRED_GT;
@@ -41,6 +42,5 @@ PPC::Predicate PPC::getSwappedPredicate(PPC::Predicate Opcode) {
   case PPC::PRED_NU: return PPC::PRED_NU;
   case PPC::PRED_UN: return PPC::PRED_UN;
   }
-  llvm_unreachable("Unknown PPC branch opcode!");
 }