| commit | fb706bc52bd61c4c426ff3d7a9cb2b16560b5c5a | [log] [tgz] |
|---|---|---|
| author | Bill Wendling <isanbard@gmail.com> | Fri Dec 07 21:42:31 2007 +0000 |
| committer | Bill Wendling <isanbard@gmail.com> | Fri Dec 07 21:42:31 2007 +0000 |
| tree | 94361610d7beb2c0af3c309651a56d5b48d0e8be | |
| parent | b41d838d28a64369f8a804bfd2bc0899115e60cc [diff] |
Initial commit of the machine code LICM pass. It successfully hoists this:
_foo:
li r2, 0
LBB1_1: ; bb
li r5, 0
stw r5, 0(r3)
addi r2, r2, 1
addi r3, r3, 4
cmplw cr0, r2, r4
bne cr0, LBB1_1 ; bb
LBB1_2: ; return
blr
to:
_foo:
li r2, 0
li r5, 0
LBB1_1: ; bb
stw r5, 0(r3)
addi r2, r2, 1
addi r3, r3, 4
cmplw cr0, r2, r4
bne cr0, LBB1_1 ; bb
LBB1_2: ; return
blr
ZOMG!! :-)
Moar to come...
llvm-svn: 44687