[Hexagon] getCompoundCandidateGroup - fix 'false' value is implicitly cast to unsigne...

Consistently return HexagonII::HCG_None.

diff --git a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCCompound.cpp b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCCompound.cpp
index ed57118..2b0bbda 100644 (file)
--- a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCCompound.cpp
+++ b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCCompound.cpp
@@ -92,7 +92,7 @@ static unsigned getCompoundCandidateGroup(MCInst const &MI, bool IsExtended) {
   case Hexagon::C2_cmpgt:
   case Hexagon::C2_cmpgtu:
     if (IsExtended)
-      return false;
+      return HexagonII::HCG_None;
     DstReg = MI.getOperand(0).getReg();
     Src1Reg = MI.getOperand(1).getReg();
     Src2Reg = MI.getOperand(2).getReg();
@@ -105,7 +105,7 @@ static unsigned getCompoundCandidateGroup(MCInst const &MI, bool IsExtended) {
   case Hexagon::C2_cmpgti:
   case Hexagon::C2_cmpgtui:
     if (IsExtended)
-      return false;
+      return HexagonII::HCG_None;
     // P0 = cmp.eq(Rs,#u2)
     DstReg = MI.getOperand(0).getReg();
     SrcReg = MI.getOperand(1).getReg();
@@ -117,7 +117,7 @@ static unsigned getCompoundCandidateGroup(MCInst const &MI, bool IsExtended) {
     break;
   case Hexagon::A2_tfr:
     if (IsExtended)
-      return false;
+      return HexagonII::HCG_None;
     // Rd = Rs
     DstReg = MI.getOperand(0).getReg();
     SrcReg = MI.getOperand(1).getReg();
@@ -127,7 +127,7 @@ static unsigned getCompoundCandidateGroup(MCInst const &MI, bool IsExtended) {
     break;
   case Hexagon::A2_tfrsi:
     if (IsExtended)
-      return false;
+      return HexagonII::HCG_None;
     // Rd = #u6
     DstReg = MI.getOperand(0).getReg();
     if (HexagonMCInstrInfo::minConstant(MI, 1) <= 63 &&
@@ -137,7 +137,7 @@ static unsigned getCompoundCandidateGroup(MCInst const &MI, bool IsExtended) {
     break;
   case Hexagon::S2_tstbit_i:
     if (IsExtended)
-      return false;
+      return HexagonII::HCG_None;
     DstReg = MI.getOperand(0).getReg();
     Src1Reg = MI.getOperand(1).getReg();
     if ((Hexagon::P0 == DstReg || Hexagon::P1 == DstReg) &&