[llvm-commits] [llvm] r155226 - /llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp

[Chad Rosier]

Andy,

On Apr 20, 2012, at 1:05 PM, Andrew Trick wrote:

> Author: atrick
> Date: Fri Apr 20 15:05:21 2012
> New Revision: 155226
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=155226&view=rev
> Log:
> misched: initialize BB
> 
> Modified:
>    llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp
> 
> Modified: llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp?rev=155226&r1=155225&r2=155226&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp (original)
> +++ llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.cpp Fri Apr 20 15:05:21 2012
> @@ -126,7 +126,8 @@
>   return 0;
> }
> 
> -void ScheduleDAGInstrs::startBlock(MachineBasicBlock *BB) {
> +void ScheduleDAGInstrs::startBlock(MachineBasicBlock *bb) {
> +  BB = bb;
>   LoopRegs.Deps.clear();
>   if (MachineLoop *ML = MLI.getLoopFor(BB))
>     if (BB == ML->getLoopLatch())
> @@ -134,6 +135,7 @@
> }
> 
> void ScheduleDAGInstrs::finishBlock() {
> +  BB = 0;
>   // Nothing to do.

Seems you're doing something.. ;)

 Chad

> }
> @@ -159,7 +161,7 @@
>                                     MachineBasicBlock::iterator begin,
>                                     MachineBasicBlock::iterator end,
>                                     unsigned endcount) {
> -  BB = bb;
> +  assert(bb == BB && "startBlock should set BB");
>   RegionBegin = begin;
>   RegionEnd = end;
>   EndIndex = endcount;
> 
> 
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