Subzero[MIPS32]: Make liveness validation errors easier to interpreit

src/IceTargetLoweringMIPS32.cpp

 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// \brief Implements the TargetLoweringMIPS32 class, which consists almost
@@ skipping 248 matching lines @@
   Func->dump("After MIPS32 codegen");
 
   // Register allocation. This requires instruction renumbering and full
   // liveness analysis.
   Func->renumberInstructions();
   if (Func->hasError())
     return;
   Func->liveness(Liveness_Intervals);
   if (Func->hasError())
     return;
+  // The post-codegen dump is done here, after liveness analysis and associated
+  // cleanup, to make the dump cleaner and more useful.
+  Func->dump("After initial MIPS32 codegen");
   // Validate the live range computations. The expensive validation call is
   // deliberately only made when assertions are enabled.
   assert(Func->validateLiveness());
-  // The post-codegen dump is done here, after liveness analysis and associated
-  // cleanup, to make the dump cleaner and more useful.
-  Func->dump("After initial MIPS32 codegen");
   Func->getVMetadata()->init(VMK_All);
   regAlloc(RAK_Global);
   if (Func->hasError())
     return;
   Func->dump("After linear scan regalloc");
 
   if (getFlags().getEnablePhiEdgeSplit()) {
     Func->advancedPhiLowering();
     Func->dump("After advanced Phi lowering");
   }
@@ skipping 1916 matching lines @@
   Str << "\t.set\t"
       << "nomips16\n";
 }
 
 SmallBitVector TargetMIPS32::TypeToRegisterSet[RCMIPS32_NUM];
 SmallBitVector TargetMIPS32::TypeToRegisterSetUnfiltered[RCMIPS32_NUM];
 SmallBitVector TargetMIPS32::RegisterAliases[RegMIPS32::Reg_NUM];
 
 } // end of namespace MIPS32
 } // end of namespace Ice