[llvm-commits] [llvm] r43910 - in /llvm/trunk: include/llvm/CodeGen/Passes.h lib/CodeGen/BreakCriticalMachineEdges.cpp

[Evan Cheng]

Does it need to be a pass? Seems to me it should just be a function, no?

Evan

On Nov 8, 2007, at 2:20 PM, Owen Anderson wrote:

> Author: resistor
> Date: Thu Nov  8 16:20:23 2007
> New Revision: 43910
>
> URL: http://llvm.org/viewvc/llvm-project?rev=43910&view=rev
> Log:
> Make BreakCriticalMachineEdges available as a pass that can be  
> depended on.
>
> Modified:
>    llvm/trunk/include/llvm/CodeGen/Passes.h
>    llvm/trunk/lib/CodeGen/BreakCriticalMachineEdges.cpp
>
> Modified: llvm/trunk/include/llvm/CodeGen/Passes.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/Passes.h?rev=43910&r1=43909&r2=43910&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/include/llvm/CodeGen/Passes.h (original)
> +++ llvm/trunk/include/llvm/CodeGen/Passes.h Thu Nov  8 16:20:23 2007
> @@ -58,6 +58,10 @@
>   ///
>   extern const PassInfo *SimpleRegisterCoalescingID;
>
> +  /// BreakCriticalMachineEdges pass.  Breaks critical edges between
> +  /// machine basic blocks.
> +  extern const PassInfo *BreakCriticalMachineEdgesID;
> +
>   /// TwoAddressInstruction pass - This pass reduces two-address  
> instructions to
>   /// use two operands. This destroys SSA information but it is  
> desired by
>   /// register allocators.
>
> Modified: llvm/trunk/lib/CodeGen/BreakCriticalMachineEdges.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/BreakCriticalMachineEdges.cpp?rev=43910&r1=43909&r2=43910&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/lib/CodeGen/BreakCriticalMachineEdges.cpp (original)
> +++ llvm/trunk/lib/CodeGen/BreakCriticalMachineEdges.cpp Thu Nov  8  
> 16:20:23 2007
> @@ -41,7 +41,7 @@
>                                             "Break critical machine  
> code edges");
> }
>
> -//const PassInfo *llvm::BreakCriticalMachineEdgesID =  
> X.getPassInfo();
> +const PassInfo *llvm::BreakCriticalMachineEdgesID = X.getPassInfo();
>
> void BreakCriticalMachineEdges::splitCriticalEdge(MachineBasicBlock*  
> src,
>                                                   MachineBasicBlock*  
> dst) {
>
>
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