RFR (XS): 8209689: Compiler.isGraalEnabled should not check jvmci.Compiler property

[Vladimir Kozlov]

Agree.

Checking UseJVMCICompiler flag and tiered level should be enough.

Thanks,
Vladimir

On 8/20/18 5:50 AM, Christian Thalinger wrote:
> https://bugs.openjdk.java.net/browse/JDK-8209689
> 
> I noticed that some tests are run in our Graal nightlies although the @requires explicitly states:
> 
> !vm.graal.enabled
> 
> Turns out the code in Compiler.isGraalEnabled still checks for the jvmci.Compiler property but this property is not set 
> and is null by default.
> 
> (A bit more information in the ticket.)
> 
> diff --git a/test/lib/sun/hotspot/code/Compiler.java b/test/lib/sun/hotspot/code/Compiler.java
> --- a/test/lib/sun/hotspot/code/Compiler.java
> +++ b/test/lib/sun/hotspot/code/Compiler.java
> @@ -55,11 +55,6 @@
>           if (useJvmciComp == null || !useJvmciComp) {
>               return false;
>           }
> -        // This check might be redundant but let's keep it for now.
> -        String jvmciCompiler = System.getProperty("jvmci.Compiler");
> -        if (jvmciCompiler == null || !jvmciCompiler.equals("graal")) {
> -            return false;
> -        }
> 
> 
>           Boolean tieredCompilation = WB.getBooleanVMFlag("TieredCompilation");
>           Long compLevel = WB.getIntxVMFlag("TieredStopAtLevel");
>