[llvm-commits] [llvm] r165201 - /llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp

[David Blaikie]

On Wed, Oct 3, 2012 at 9:50 PM, Lang Hames <lhames at gmail.com> wrote:
> Author: lhames
> Date: Wed Oct  3 23:50:53 2012
> New Revision: 165201
>
> URL: http://llvm.org/viewvc/llvm-project?rev=165201&view=rev
> Log:
> Fix reg mask slot test, and preserve LiveIntervals and VirtRegMap in the PBQP
> allocator. Fixes PR13945.

Test case?

>
> Modified:
>     llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp
>
> Modified: llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp?rev=165201&r1=165200&r2=165201&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp (original)
> +++ llvm/trunk/lib/CodeGen/RegAllocPBQP.cpp Wed Oct  3 23:50:53 2012
> @@ -231,7 +231,7 @@
>          continue;
>
>        // vregLI crosses a regmask operand that clobbers preg.
> -      if (!regMaskOverlaps.empty() && !regMaskOverlaps.test(preg))
> +      if (!regMaskOverlaps.empty() && regMaskOverlaps.test(preg))
>          continue;
>
>        // vregLI overlaps fixed regunit interference.
> @@ -432,6 +432,7 @@
>    au.addRequired<SlotIndexes>();
>    au.addPreserved<SlotIndexes>();
>    au.addRequired<LiveIntervals>();
> +  au.addPreserved<LiveIntervals>();
>    //au.addRequiredID(SplitCriticalEdgesID);
>    if (customPassID)
>      au.addRequiredID(*customPassID);
> @@ -443,6 +444,7 @@
>    au.addRequired<MachineLoopInfo>();
>    au.addPreserved<MachineLoopInfo>();
>    au.addRequired<VirtRegMap>();
> +  au.addPreserved<VirtRegMap>();
>    MachineFunctionPass::getAnalysisUsage(au);
>  }
>
>
>
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