When running uni normalize for Mips the delay slots two of the delay slots (NOPs) in .asm.mir file do not appear in the .llvm.mir file:
uni normalize --target=Mips sphinx3.glist.glist_tail.asm.mir -o sphinx3.glist.glist_tail.llvm.mir
cat sphinx3.glist.glist_tail.asm.mir
body: |
bb.0 (%ir-block.0, freq 8):
successors: %bb.2..loopexit(37), %bb.1..preheader(62)
liveins: %a0
BEQ %a0, %zero, %bb.2..loopexit, implicit-def dead %at {
%v0 = ADDiu %zero, 0
}
bb.1..preheader (freq 159):
successors: %bb.2..loopexit(3), %bb.1..preheader(96)
liveins: %a0
%v0 = OR killed %a0, %zero
%a0 = LW %v0, 8 :: (load 4 from %ir.2, align 8)
BNE %a0, %zero, %bb.1..preheader, implicit-def %at {
NOP
}
bb.2..loopexit (freq 8):
liveins: %v0
liveouts:
PseudoReturn %ra {
NOP
}
...and
cat sphinx3.glist.glist_tail.llvm.mir
name: glist_tail
body: |
bb.0 (freq 8):
successors: %bb.2(1), %bb.1(2)
BEQ %a0, %zero, %bb.2, implicit %at, implicit-def %at {
%v0 = ADDiu %zero, 0
}
bb.1 (freq 159):
successors: %bb.1(1), %bb.2(2)
%v0 = OR %a0, %zero
%a0 = LW %v0, 8
BNE %a0, %zero, %bb.1, implicit %at, implicit-def %at
bb.2 (freq 8):
PseudoReturn %ra
...
When running uni normalize for Mips the delay slots two of the delay slots (NOPs) in .asm.mir file do not appear in the .llvm.mir file:
and