Compiler cleanup: remove some old JIT leftovers.

The JIT was designed to allow any code emitter (for any reason)
to decline to complete a codegen request.  The outer driver
would then detect if a codegen request wasn't completed and
in that case generate bail-out code to the interpreter or
simply end the trace early.

This was quite useful for the JIT, but has no value in an
ahead-of-time compiler (with the exception of special inline
cases - those are still optional).  Codegen requests must succeed or
die.  This CL removes some of the bool success reporting from
inherited Gen routines.

Change-Id: I0237bbd82cc2d548f85dda8f7231126337976e8a
diff --git a/src/compiler/codegen/codegen.h b/src/compiler/codegen/codegen.h
index 901e5da..089c61c 100644
--- a/src/compiler/codegen/codegen.h
+++ b/src/compiler/codegen/codegen.h
@@ -136,15 +136,15 @@
     void GenCheckCast(CompilationUnit* cu, uint32_t type_idx, RegLocation rl_src);
     void GenLong3Addr(CompilationUnit* cu, OpKind first_op, OpKind second_op, RegLocation rl_dest,
                       RegLocation rl_src1, RegLocation rl_src2);
-    bool GenShiftOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    void GenShiftOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                         RegLocation rl_src1, RegLocation rl_shift);
-    bool GenArithOpInt(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    void GenArithOpInt(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                        RegLocation rl_src1, RegLocation rl_src2);
-    bool GenArithOpIntLit(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    void GenArithOpIntLit(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                           RegLocation rl_src, int lit);
-    bool GenArithOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    void GenArithOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                         RegLocation rl_src1, RegLocation rl_src2);
-    bool GenConversionCall(CompilationUnit* cu, int func_offset, RegLocation rl_dest,
+    void GenConversionCall(CompilationUnit* cu, int func_offset, RegLocation rl_dest,
                            RegLocation rl_src);
     void GenSuspendTest(CompilationUnit* cu, int opt_flags);
     void GenSuspendTestAndBranch(CompilationUnit* cu, int opt_flags, LIR* target);
@@ -288,32 +288,32 @@
     virtual bool IsUnconditionalBranch(LIR* lir) = 0;
 
     // Required for target - Dalvik-level generators.
-    virtual bool GenArithImmOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    virtual void GenArithImmOpLong(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                                    RegLocation rl_src1, RegLocation rl_src2) = 0;
     virtual void GenMulLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                             RegLocation rl_src2) = 0;
-    virtual bool GenAddLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
+    virtual void GenAddLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                             RegLocation rl_src2) = 0;
-    virtual bool GenAndLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
+    virtual void GenAndLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                             RegLocation rl_src2) = 0;
-    virtual bool GenArithOpDouble(CompilationUnit* cu, Instruction::Code opcode,
+    virtual void GenArithOpDouble(CompilationUnit* cu, Instruction::Code opcode,
                                   RegLocation rl_dest, RegLocation rl_src1,
                                   RegLocation rl_src2) = 0;
-    virtual bool GenArithOpFloat(CompilationUnit *cu, Instruction::Code opcode, RegLocation rl_dest,
+    virtual void GenArithOpFloat(CompilationUnit *cu, Instruction::Code opcode, RegLocation rl_dest,
                                  RegLocation rl_src1, RegLocation rl_src2) = 0;
-    virtual bool GenCmpFP(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    virtual void GenCmpFP(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                           RegLocation rl_src1, RegLocation rl_src2) = 0;
-    virtual bool GenConversion(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
+    virtual void GenConversion(CompilationUnit* cu, Instruction::Code opcode, RegLocation rl_dest,
                                RegLocation rl_src) = 0;
     virtual bool GenInlinedCas32(CompilationUnit* cu, CallInfo* info, bool need_write_barrier) = 0;
     virtual bool GenInlinedMinMaxInt(CompilationUnit *cu, CallInfo* info, bool is_min) = 0;
     virtual bool GenInlinedSqrt(CompilationUnit* cu, CallInfo* info) = 0;
-    virtual bool GenNegLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src) = 0;
-    virtual bool GenOrLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
+    virtual void GenNegLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src) = 0;
+    virtual void GenOrLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                            RegLocation rl_src2) = 0;
-    virtual bool GenSubLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
+    virtual void GenSubLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                             RegLocation rl_src2) = 0;
-    virtual bool GenXorLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
+    virtual void GenXorLong(CompilationUnit* cu, RegLocation rl_dest, RegLocation rl_src1,
                             RegLocation rl_src2) = 0;
     virtual LIR* GenRegMemCheck(CompilationUnit* cu, ConditionCode c_code, int reg1, int base,
                                 int offset, ThrowKind kind) = 0;
@@ -353,7 +353,7 @@
                              RegLocation rl_index, RegLocation rl_dest, int scale) = 0;
     virtual void GenArrayPut(CompilationUnit* cu, int opt_flags, OpSize size, RegLocation rl_array,
                      RegLocation rl_index, RegLocation rl_src, int scale) = 0;
-    virtual bool GenShiftImmOpLong(CompilationUnit* cu, Instruction::Code opcode,
+    virtual void GenShiftImmOpLong(CompilationUnit* cu, Instruction::Code opcode,
                                    RegLocation rl_dest, RegLocation rl_src1,
                                    RegLocation rl_shift) = 0;