# REQUIRES: asserts
# RUN: llc --march=hexagon %s -run-pass=pipeliner -debug-only=pipeliner \
# RUN: -window-sched=force -filetype=null -verify-machineinstrs 2>&1 \
# RUN: | FileCheck %s
# CHECK: Physical registers are not supported in window scheduling!
# CHECK: The WindowScheduler failed to initialize!
---
name: exp_approx_top_six
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.2(0x30000000), %bb.1(0x50000000)
liveins: $r0, $r1, $r2
%0:intregs = COPY $r2
%1:intregs = COPY $r1
%2:intregs = COPY $r0
%3:predregs = C2_cmpeqi %2, 0
J2_jumpt killed %3, %bb.2, implicit-def dead $pc
J2_jump %bb.1, implicit-def dead $pc
bb.1:
successors: %bb.3(0x80000000)
%4:intregs = A2_tfrsi 1065353216
%5:hvxvr = V6_lvsplatw killed %4
%6:intregs = A2_tfrsi 1056964608
%7:hvxvr = V6_lvsplatw killed %6
%8:intregs = A2_tfrsi 1042983595
%9:hvxvr = V6_lvsplatw killed %8
%10:intregs = A2_tfrsi 1026206379
%11:hvxvr = V6_lvsplatw killed %10
%12:intregs = A2_tfrsi 1007192201
%13:hvxvr = V6_lvsplatw killed %12
%14:intregs = A2_tfrsi 985008993
%15:hvxvr = V6_lvsplatw killed %14
%16:intregs = A2_addi %2, 31
%17:intregs = S2_lsr_i_r %16, 5
%18:intregs = COPY %17
J2_loop0r %bb.3, %18, implicit-def $lc0, implicit-def $sa0, implicit-def $usr
J2_jump %bb.3, implicit-def dead $pc
bb.2:
PS_jmpret $r31, implicit-def dead $pc
bb.3 (machine-block-address-taken):
successors: %bb.3(0x7c000000), %bb.2(0x04000000)
%19:intregs = PHI %1, %bb.1, %20, %bb.3
%21:intregs = PHI %0, %bb.1, %22, %bb.3
%23:hvxvr, %20:intregs = V6_vL32b_pi %19, 128
%24:hvxvr = V6_vmpyowh_rnd %23, %23
%25:hvxvr = V6_vmpyowh_rnd %24, %23
%26:hvxvr = V6_vmpyowh_rnd %25, %23
%27:hvxvr = V6_vmpyowh_rnd %26, %23
%28:hvxvr = V6_vmpyowh_rnd %27, %23
%29:hvxvr = V6_vmpyowh_rnd %7, %24
%30:hvxvr = V6_vmpyowh_rnd %9, %25
%31:hvxvr = V6_vmpyowh_rnd %11, %26
%32:hvxvr = V6_vmpyowh_rnd %13, %27
%33:hvxvr = V6_vmpyowh_rnd %15, killed %28
%34:hvxvr = V6_vaddw %5, %23
%35:hvxvr = V6_vaddw killed %34, killed %29
%36:hvxvr = V6_vaddw killed %35, killed %30
%37:hvxvr = V6_vaddw killed %36, killed %31
%38:hvxvr = V6_vaddw killed %37, killed %32
%39:hvxvr = V6_vaddw killed %38, killed %33
; To check the implicitly defined phiscal register within loop kernel.
dead %40:intregs = A2_abssat %18, implicit-def dead $usr_ovf
%22:intregs = V6_vS32b_pi %21, 128, killed %39
ENDLOOP0 %bb.3, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc0
J2_jump %bb.2, implicit-def dead $pc
...