[llvm-commits] [llvm] r100640 - in /llvm/trunk: include/llvm/Target/TargetMachine.h lib/CodeGen/LLVMTargetMachine.cpp
Chris Lattner
clattner at apple.com
Wed Apr 7 11:21:06 PDT 2010
On Apr 7, 2010, at 11:18 AM, Anton Korobeynikov wrote:
> Author: asl
> Date: Wed Apr 7 13:18:42 2010
> New Revision: 100640
>
> URL: http://llvm.org/viewvc/llvm-project?rev=100640&view=rev
> Log:
> Add hook to insert late LLVM=>LLVM passes just before isel
This hook should return void if you're going to ignore the result :).
>
> Modified:
> llvm/trunk/include/llvm/Target/TargetMachine.h
> llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
>
> Modified: llvm/trunk/include/llvm/Target/TargetMachine.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetMachine.h?rev=100640&r1=100639&r2=100640&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/Target/TargetMachine.h (original)
> +++ llvm/trunk/include/llvm/Target/TargetMachine.h Wed Apr 7 13:18:42 2010
> @@ -264,10 +264,15 @@
> bool DisableVerify = true);
>
> /// Target-Independent Code Generator Pass Configuration Options.
> -
> - /// addInstSelector - This method should add any "last minute" LLVM->LLVM
> - /// passes, then install an instruction selector pass, which converts from
> - /// LLVM code to machine instructions.
> +
> + /// addPreISelPasses - This method should add any "last minute" LLVM->LLVM
> + /// passes (which are run just before instruction selector).
> + virtual bool addPreISel(PassManagerBase &, CodeGenOpt::Level) {
> + return true;
> + }
> +
> + /// addInstSelector - This method should install an instruction selector pass,
> + /// which converts from LLVM code to machine instructions.
> virtual bool addInstSelector(PassManagerBase &, CodeGenOpt::Level) {
> return true;
> }
>
> Modified: llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp?rev=100640&r1=100639&r2=100640&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp (original)
> +++ llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp Wed Apr 7 13:18:42 2010
> @@ -268,6 +268,8 @@
>
> PM.add(createStackProtectorPass(getTargetLowering()));
>
> + addPreISel(PM, OptLevel);
> +
> if (PrintISelInput)
> PM.add(createPrintFunctionPass("\n\n"
> "*** Final LLVM Code input to ISel ***\n",
>
>
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