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pr24954
2008 Jun 25
2
[LLVMdev] jump threading and the stack
When jump threading duplicates a basic block, it can demote register
values defined in that block to the stack. This seems a bit
inefficient - is the idea that you should run mem2reg afterwards to
clean this up?
"llvm-ld -O" runs jump threading but doesn't run any mem2reg pass
afterwards, and I've seen several cases where variables end up left on
the stack in the output of the
2008 Jun 25
0
[LLVMdev] jump threading and the stack
On Wed, 25 Jun 2008, Jay Foad wrote:
> When jump threading duplicates a basic block, it can demote register
> values defined in that block to the stack. This seems a bit
> inefficient - is the idea that you should run mem2reg afterwards to
> clean this up?
>
> "llvm-ld -O" runs jump threading but doesn't run any mem2reg pass
> afterwards, and I've seen