RFR: 8275086: compiler/c2/irTests/TestPostParseCallDevirtualization.java fails when compiler1 is disabled [v2]

[SUN Guoyun]

On Fri, 22 Oct 2021 08:12:27 GMT, SUN Guoyun <duke at openjdk.java.net> wrote:

>> Hi all,
>> Jtreg test case compiler/c2/irTests/TestPostParseCallDevirtualization.java fails for fastdebug mode on x86/aarch64/mips architecture when "--with-jvm-features=-compiler1" be used. the failed info is:
>> 
>> <pre><code class="shell">
>> One or more @IR rules failed:
>> 
>> Failed IR Rules (1)
>> ------------------
>> - Method "public int compiler.c2.irTests.TestPostParseCallDevirtualization.testMethodHandleCallWithCCP() throws java.lang.Throwable":
>>   * @IR rule 1: "@compiler.lib.ir_framework.IR(failOn={"#PRE#(\\\\d+(\\\\s){2}(CallStaticJava.*)+(\\\\s){2}===.*#IS_REPLACED#)", "invokeBasic"}, applyIf={}, applyIfAnd={}, applyIfOr={}, counts={"#PRE#(\\\\d+(\\\\s){2}(CallStaticJava.*)+(\\\\s){2}===.*#IS_REPLACED#)", "invokeStatic", "= 1"}, applyIfNot={})" 
>>     - failOn: Graph contains forbidden nodes:
>>         Regex 1: (\\d+(\\s){2}(CallStaticJava.*)+(\\s){2}===.*invokeBasic)
>>         Matched forbidden node:
>>           280  CallStaticJava  ===  5  6  7  8  1 ( 188  1  1  1  1  1  1 ) [[ 281  282  283  285 ]] # Static  java.lang.invoke.MethodHandle::invokeBasic
>>     - counts: Graph contains wrong number of nodes:
>>         Regex 1: (\\d+(\\s){2}(CallStaticJava.*)+(\\s){2}===.*invokeStatic)
>>         Expected 1 but found 0 nodes.
>> 
>>>>> Check stdout for compilation output of the failed methods
>> </code></pre>
>> 
>> This is a patch to fix this problem. Please help review it.
>> 
>> Thanks,
>> Sun Guoyun
>
> SUN Guoyun has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8275086: compiler/c2/irTests/TestPostParseCallDevirtualization.java fails when compiler1 is disabled

Hi all, Please review the new patch, Thanks.  I set `TieredCompilation=true` or   `TieredCompilation=false && CompileThresholdScaling<0.14` to make testing to PASSED.

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PR: https://git.openjdk.java.net/jdk/pull/5903