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8039298: assert(base == NULL || t_adr->isa_rawptr() || !phase->type(base)->higher_equal(TypePtr::NULL_PTR))

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Convert the assert into the runtime check to skip IGVN optimizations for problematic memory nodes. Eliminate dead nodes more aggressively.

Reviewed-by: twisti, iveresov
This commit is contained in:
Vladimir Kozlov 2014-05-02 16:44:54 -07:00
parent 3e18a6f16d
commit c909ac41de
5 changed files with 38 additions and 28 deletions
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5
hotspot/src/share/vm/opto/compile.cpp
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@ -704,6 +704,7 @@ Compile::Compile( ciEnv* ci_env, C2Compiler* compiler, ciMethod* target, int osr
#endif
set_print_inlining(PrintInlining || method()->has_option("PrintInlining") NOT_PRODUCT( || PrintOptoInlining));
set_print_intrinsics(PrintIntrinsics || method()->has_option("PrintIntrinsics"));
set_has_irreducible_loop(true); // conservative until build_loop_tree() reset it
if (ProfileTraps RTM_OPT_ONLY( || UseRTMLocking )) {
// Make sure the method being compiled gets its own MDO,
@ -988,6 +989,8 @@ Compile::Compile( ciEnv* ci_env,
set_print_assembly(PrintFrameConverterAssembly);
set_parsed_irreducible_loop(false);
#endif
set_has_irreducible_loop(false); // no loops
CompileWrapper cw(this);
Init(/*AliasLevel=*/ 0);
init_tf((*generator)());
@ -1158,7 +1161,7 @@ StartNode* Compile::start() const {
if( start->is_Start() )
return start->as_Start();
}
ShouldNotReachHere();
fatal("Did not find Start node!");
return NULL;
}