Anton Korobeynikov wrote:
>
> Changes in directory llvm/lib/Transforms/Utils:
>
> LowerSwitch.cpp updated: 1.34 -> 1.35
> ---
> Log message:
>
> Use range tests in LowerSwitch, where possible
>
>
> ---
> Diffs of the changes: (+114 -31)
>
> LowerSwitch.cpp | 145
> ++++++++++++++++++++++++++++++++++++++++++++------------
> 1 files changed, 114 insertions(+), 31 deletions(-)
>
>
> Index: llvm/lib/Transforms/Utils/LowerSwitch.cpp
> diff -u llvm/lib/Transforms/Utils/LowerSwitch.cpp:1.34
> llvm/lib/Transforms/Utils/LowerSwitch.cpp:1.35
> --- llvm/lib/Transforms/Utils/LowerSwitch.cpp:1.34 Fri Mar 2 17:15:21 2007
> +++ llvm/lib/Transforms/Utils/LowerSwitch.cpp Sat Mar 10 10:46:28 2007
> @@ -40,26 +40,38 @@
> AU.addPreservedID(LowerInvokePassID);
> AU.addPreservedID(LowerAllocationsID);
> }
> -
> - typedef std::pair<Constant*, BasicBlock*> Case;
> - typedef std::vector<Case>::iterator CaseItr;
> +
> + struct CaseRange {
> + Constant* Low;
> + Constant* High;
> + BasicBlock* BB;
> +
> + CaseRange(Constant* _Low = NULL, Constant* _High = NULL,
> + BasicBlock* _BB = NULL):
> + Low(_Low), High(_High), BB(_BB) { }
> + };
Do you ever store non-ConstantInt in Low and High? If not, could you
either replace this with, or make it a wrapper around ConstantRange?
Nick
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