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jumpline
2011 Oct 15
0
[LLVMdev] Live code elimination problem in code generation
On Oct 14, 2011, at 9:04 PM, Hae-woo Park wrote:
> I've met a problem that eliminates a live code in code generation phase.
>
> The initially generated code is shown as follows (as a pseudo code):
> ( Before pseudo-code expansion. )
>
> ----------
> loop:
> :
> :
> set P0 <- xxx ( P0: a physical register for a parameter of function F )
> set P1
2011 Oct 15
2
[LLVMdev] Live code elimination problem in code generation
Hello. :)
I've met a problem that eliminates a live code in code generation phase.
The initially generated code is shown as follows (as a pseudo code):
( Before pseudo-code expansion. )
----------
loop:
:
:
set P0 <- xxx ( P0: a physical register for a parameter of function F )
set P1 <- yyy ( P1: a physical register for a parameter of function F )
SELECT_CC z1, z2, z3, ...