Displaying 5 results from an estimated 5 matches for "returnblocks".
2009 Mar 12
4
[LLVMdev] Shrink Wrapping - RFC and initial implementation
...t reduces nesting and please those of us who are a bit
picky.
6.
+ // Save entry block, return blocks.
+ if (MBB->pred_size() == 0)
+ entryBlock = MBB;
Entry block is the Fn.front().
7.
+ if (!MBB->empty() && MBB->back().getDesc().isReturn())
+ returnBlocks.push_back(MBB);
PEI::insertPrologEpilogCode also traverse MBBs and get at return
blocks. So these probably ought to be shared, i.e. returnBlocks should
be an ivar and determined early in PEI.
8.
+ for (MachineBasicBlock::iterator I = MBB->begin(); I != MBB->end
(); ++I) {
+ for...
2009 Mar 05
0
[LLVMdev] Shrink Wrapping - RFC and initial implementation
Here is an updated patch for shrink wrapping with:
- spills/restores done with stack slot stores/loads
- stack adjustment removed
- refactoring (but still in need of more)
- spill/restore insertion code unified with spill/restore placement code
Documentation available
here<http://wiki.github.com/jdmdj/llvm-work/shrink-wrapping-work>
illustrates shrink
wrapping with loops and discusses a
2009 Mar 03
2
[LLVMdev] Shrink Wrapping - RFC and initial implementation
On Mon, Mar 2, 2009 at 10:35 AM, Evan Cheng <echeng at apple.com> wrote:
>
> On Mar 1, 2009, at 2:57 PM, John Mosby wrote:
>
> Obviously, all of this applies only when spills are done with push/pop,
> which is the case on x86. I used this issue to start looking at generalizing
> how spills and restores are handled, before looking too closely at other
> targets, and
2009 Mar 13
0
[LLVMdev] Shrink Wrapping - RFC and initial implementation
...+ // Save entry block, return blocks.
>
>
> + if (MBB->pred_size() == 0)
>
>
> + entryBlock = MBB;
>
> Entry block is the Fn.front().
>
> 7.
> + if (!MBB->empty() && MBB->back().getDesc().isReturn())
>
>
> + returnBlocks.push_back(MBB);
>
> PEI::insertPrologEpilogCode also traverse MBBs and get at return blocks. So
> these probably ought to be shared, i.e. returnBlocks should be an ivar and
> determined early in PEI.
>
Absolutely (I knew Fn.front() was what I wanted but didn't go back and fix
th...
2009 Mar 18
1
[LLVMdev] Shrink Wrapping - RFC and initial implementation
...cks.
>>
>>
>> + if (MBB->pred_size() == 0)
>>
>>
>> + entryBlock = MBB;
>> Entry block is the Fn.front().
>> 7.
>> + if (!MBB->empty() && MBB->back().getDesc().isReturn())
>>
>>
>> + returnBlocks.push_back(MBB);
>> PEI::insertPrologEpilogCode also traverse MBBs and get at return blocks.
>> So these probably ought to be shared, i.e. returnBlocks should be an ivar
>> and determined early in PEI.
>
> Absolutely (I knew Fn.front() was what I wanted but didn't go back...