1 ; RUN: llc -march=x86-64 -mcpu=core2 -fast-isel -enable-misched -misched=shuffle -misched-bottomup -verify-machineinstrs < %s
2 ; RUN: llc -march=x86-64 -mcpu=core2 -fast-isel -enable-misched -misched=shuffle -misched-topdown -verify-machineinstrs < %s
5 ; Test the LiveIntervals::handleMove() function.
7 ; Moving the DIV32r instruction exercises the regunit update code because
8 ; %EDX has a live range into the function and is used by the DIV32r.
10 ; Here sinking a kill + dead def:
11 ; 144B -> 180B: DIV32r %vreg4, %EAX<imp-def>, %EDX<imp-def,dead>, %EFLAGS<imp-def,dead>, %EAX<imp-use,kill>, %EDX<imp-use>
12 ; %vreg4: [48r,144r:0) 0@48r
13 ; --> [48r,180r:0) 0@48r
14 ; DH: [0B,16r:0)[128r,144r:2)[144r,144d:1) 0@0B-phi 1@144r 2@128r
15 ; --> [0B,16r:0)[128r,180r:2)[180r,180d:1) 0@0B-phi 1@180r 2@128r
16 ; DL: [0B,16r:0)[128r,144r:2)[144r,144d:1) 0@0B-phi 1@144r 2@128r
17 ; --> [0B,16r:0)[128r,180r:2)[180r,180d:1) 0@0B-phi 1@180r 2@128r
19 define i32 @f1(i32 %a, i32 %b, i32 %c) nounwind uwtable readnone ssp {
23 %add = add nsw i32 %y, %x
27 ; Same as above, but moving a kill + live def:
28 ; 144B -> 180B: DIV32r %vreg4, %EAX<imp-def,dead>, %EDX<imp-def>, %EFLAGS<imp-def,dead>, %EAX<imp-use,kill>, %EDX<imp-use>
29 ; %vreg4: [48r,144r:0) 0@48r
30 ; --> [48r,180r:0) 0@48r
31 ; DH: [0B,16r:0)[128r,144r:2)[144r,184r:1) 0@0B-phi 1@144r 2@128r
32 ; --> [0B,16r:0)[128r,180r:2)[180r,184r:1) 0@0B-phi 1@180r 2@128r
33 ; DL: [0B,16r:0)[128r,144r:2)[144r,184r:1) 0@0B-phi 1@144r 2@128r
34 ; --> [0B,16r:0)[128r,180r:2)[180r,184r:1) 0@0B-phi 1@180r 2@128r
36 define i32 @f2(i32 %a, i32 %b, i32 %c, i32 %d) nounwind uwtable readnone ssp {
40 %add = add nsw i32 %x, %y
44 ; Moving a use below the existing kill (%vreg5):
45 ; Moving a tied virtual register def (%vreg11):
47 ; 96B -> 120B: %vreg11<def,tied1> = SUB32rr %vreg11<tied0>, %vreg5
48 ; %vreg11: [80r,96r:1)[96r,144r:0) 0@96r 1@80r
49 ; --> [80r,120r:1)[120r,144r:0) 0@120r 1@80r
50 ; %vreg5: [16r,112r:0) 0@16r
51 ; --> [16r,120r:0) 0@16r
53 define i32 @f3(i32 %a, i32 %b) nounwind uwtable readnone ssp {
61 ; Move EFLAGS dead def across another def:
62 ; handleMove 208B -> 36B: %EDX<def> = MOV32r0 %EFLAGS<imp-def,dead>
63 ; EFLAGS: [20r,20d:4)[160r,160d:3)[208r,208d:0)[224r,224d:1)[272r,272d:2)[304r,304d:5) 0@208r 1@224r 2@272r 3@160r 4@20r 5@304r
64 ; --> [20r,20d:4)[36r,36d:0)[160r,160d:3)[224r,224d:1)[272r,272d:2)[304r,304d:5) 0@36r 1@224r 2@272r 3@160r 4@20r 5@304r
66 define i32 @f4(i32 %a, i32 %b, i32 %c, i32 %d) nounwind uwtable readnone ssp {