llvm/test/CodeGen/LoongArch/branch-relaxation-spill-32.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 -mattr=+d --filetype=obj --verify-machineinstrs < %s \
; RUN:   -o /dev/null 2>&1
; RUN: llc --mtriple=loongarch32 -mattr=+d --verify-machineinstrs < %s | FileCheck %s

define void @relax_b28_spill() {
; CHECK-LABEL: relax_b28_spill:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi.w $sp, $sp, -48
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    st.w $ra, $sp, 44 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $fp, $sp, 40 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s0, $sp, 36 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s1, $sp, 32 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s2, $sp, 28 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s3, $sp, 24 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s4, $sp, 20 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s5, $sp, 16 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s6, $sp, 12 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s7, $sp, 8 # 4-byte Folded Spill
; CHECK-NEXT:    st.w $s8, $sp, 4 # 4-byte Folded Spill
; CHECK-NEXT:    .cfi_offset 1, -4
; CHECK-NEXT:    .cfi_offset 22, -8
; CHECK-NEXT:    .cfi_offset 23, -12
; CHECK-NEXT:    .cfi_offset 24, -16
; CHECK-NEXT:    .cfi_offset 25, -20
; CHECK-NEXT:    .cfi_offset 26, -24
; CHECK-NEXT:    .cfi_offset 27, -28
; CHECK-NEXT:    .cfi_offset 28, -32
; CHECK-NEXT:    .cfi_offset 29, -36
; CHECK-NEXT:    .cfi_offset 30, -40
; CHECK-NEXT:    .cfi_offset 31, -44
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $zero, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $ra, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $tp, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a0, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a1, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a2, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a3, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a4, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a5, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a6, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $a7, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t0, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t1, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t2, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t3, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t4, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t5, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t6, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t7, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $t8, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $fp, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s0, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s1, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s2, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s3, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s4, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s5, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s6, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s7, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    addi.w $s8, $zero, 1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    beq $s7, $s8, .LBB0_1
; CHECK-NEXT:  # %bb.4:
; CHECK-NEXT:    st.w $t8, $sp, 0
; CHECK-NEXT:    pcalau12i $t8, %pc_hi20(.LBB0_5)
; CHECK-NEXT:    addi.w $t8, $t8, %pc_lo12(.LBB0_5)
; CHECK-NEXT:    jr $t8
; CHECK-NEXT:  .LBB0_1: # %iftrue
; CHECK-NEXT:    #APP
; CHECK-NEXT:    .space 536870912
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    b .LBB0_3
; CHECK-NEXT:  .LBB0_5: # %iffalse
; CHECK-NEXT:    ld.w $t8, $sp, 0
; CHECK-NEXT:  # %bb.2: # %iffalse
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $zero
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $ra
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $tp
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a0
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a2
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a3
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a4
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a5
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a6
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $a7
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t0
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t2
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t3
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t4
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t5
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t6
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t7
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $t8
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $fp
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s0
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s1
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s2
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s3
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s4
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s5
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s6
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s7
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    #APP
; CHECK-NEXT:    # reg use $s8
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:  .LBB0_3: # %iftrue
; CHECK-NEXT:    ld.w $s8, $sp, 4 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s7, $sp, 8 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s6, $sp, 12 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s5, $sp, 16 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s4, $sp, 20 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s3, $sp, 24 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s2, $sp, 28 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s1, $sp, 32 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $s0, $sp, 36 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $fp, $sp, 40 # 4-byte Folded Reload
; CHECK-NEXT:    ld.w $ra, $sp, 44 # 4-byte Folded Reload
; CHECK-NEXT:    addi.w $sp, $sp, 48
; CHECK-NEXT:    ret
  %zero =  call i32 asm sideeffect "addi.w $$zero, $$zero, 1", "={r0}"()
  %ra =  call i32 asm sideeffect "addi.w $$ra, $$zero, 1", "={r1}"()
  %tp =  call i32 asm sideeffect "addi.w $$tp, $$zero, 1", "={r2}"()
  %a0 =  call i32 asm sideeffect "addi.w $$a0, $$zero, 1", "={r4}"()
  %a1 =  call i32 asm sideeffect "addi.w $$a1, $$zero, 1", "={r5}"()
  %a2 =  call i32 asm sideeffect "addi.w $$a2, $$zero, 1", "={r6}"()
  %a3 =  call i32 asm sideeffect "addi.w $$a3, $$zero, 1", "={r7}"()
  %a4 =  call i32 asm sideeffect "addi.w $$a4, $$zero, 1", "={r8}"()
  %a5 =  call i32 asm sideeffect "addi.w $$a5, $$zero, 1", "={r9}"()
  %a6 =  call i32 asm sideeffect "addi.w $$a6, $$zero, 1", "={r10}"()
  %a7 =  call i32 asm sideeffect "addi.w $$a7, $$zero, 1", "={r11}"()
  %t0 =  call i32 asm sideeffect "addi.w $$t0, $$zero, 1", "={r12}"()
  %t1 =  call i32 asm sideeffect "addi.w $$t1, $$zero, 1", "={r13}"()
  %t2 =  call i32 asm sideeffect "addi.w $$t2, $$zero, 1", "={r14}"()
  %t3 =  call i32 asm sideeffect "addi.w $$t3, $$zero, 1", "={r15}"()
  %t4 =  call i32 asm sideeffect "addi.w $$t4, $$zero, 1", "={r16}"()
  %t5 =  call i32 asm sideeffect "addi.w $$t5, $$zero, 1", "={r17}"()
  %t6 =  call i32 asm sideeffect "addi.w $$t6, $$zero, 1", "={r18}"()
  %t7 =  call i32 asm sideeffect "addi.w $$t7, $$zero, 1", "={r19}"()
  %t8 =  call i32 asm sideeffect "addi.w $$t8, $$zero, 1", "={r20}"()
  ;; r21 Reserved (Non-allocatable)
  %s9 =  call i32 asm sideeffect "addi.w $$s9, $$zero, 1", "={r22}"()
  %s0 =  call i32 asm sideeffect "addi.w $$s0, $$zero, 1", "={r23}"()
  %s1 =  call i32 asm sideeffect "addi.w $$s1, $$zero, 1", "={r24}"()
  %s2 =  call i32 asm sideeffect "addi.w $$s2, $$zero, 1", "={r25}"()
  %s3 =  call i32 asm sideeffect "addi.w $$s3, $$zero, 1", "={r26}"()
  %s4 =  call i32 asm sideeffect "addi.w $$s4, $$zero, 1", "={r27}"()
  %s5 =  call i32 asm sideeffect "addi.w $$s5, $$zero, 1", "={r28}"()
  %s6 =  call i32 asm sideeffect "addi.w $$s6, $$zero, 1", "={r29}"()
  %s7 =  call i32 asm sideeffect "addi.w $$s7, $$zero, 1", "={r30}"()
  %s8 =  call i32 asm sideeffect "addi.w $$s8, $$zero, 1", "={r31}"()

  %cmp = icmp eq i32 %s7, %s8
  br i1 %cmp, label %iftrue, label %iffalse

iftrue:
  call void asm sideeffect ".space 536870912", ""()
  ret void

iffalse:
  call void asm sideeffect "# reg use $0", "{r0}"(i32 %zero)
  call void asm sideeffect "# reg use $0", "{r1}"(i32 %ra)
  call void asm sideeffect "# reg use $0", "{r2}"(i32 %tp)
  call void asm sideeffect "# reg use $0", "{r4}"(i32 %a0)
  call void asm sideeffect "# reg use $0", "{r5}"(i32 %a1)
  call void asm sideeffect "# reg use $0", "{r6}"(i32 %a2)
  call void asm sideeffect "# reg use $0", "{r7}"(i32 %a3)
  call void asm sideeffect "# reg use $0", "{r8}"(i32 %a4)
  call void asm sideeffect "# reg use $0", "{r9}"(i32 %a5)
  call void asm sideeffect "# reg use $0", "{r10}"(i32 %a6)
  call void asm sideeffect "# reg use $0", "{r11}"(i32 %a7)
  call void asm sideeffect "# reg use $0", "{r12}"(i32 %t0)
  call void asm sideeffect "# reg use $0", "{r13}"(i32 %t1)
  call void asm sideeffect "# reg use $0", "{r14}"(i32 %t2)
  call void asm sideeffect "# reg use $0", "{r15}"(i32 %t3)
  call void asm sideeffect "# reg use $0", "{r16}"(i32 %t4)
  call void asm sideeffect "# reg use $0", "{r17}"(i32 %t5)
  call void asm sideeffect "# reg use $0", "{r18}"(i32 %t6)
  call void asm sideeffect "# reg use $0", "{r19}"(i32 %t7)
  call void asm sideeffect "# reg use $0", "{r20}"(i32 %t8)
  ;; r21 Reserved (Non-allocatable)
  call void asm sideeffect "# reg use $0", "{r22}"(i32 %s9)
  call void asm sideeffect "# reg use $0", "{r23}"(i32 %s0)
  call void asm sideeffect "# reg use $0", "{r24}"(i32 %s1)
  call void asm sideeffect "# reg use $0", "{r25}"(i32 %s2)
  call void asm sideeffect "# reg use $0", "{r26}"(i32 %s3)
  call void asm sideeffect "# reg use $0", "{r27}"(i32 %s4)
  call void asm sideeffect "# reg use $0", "{r28}"(i32 %s5)
  call void asm sideeffect "# reg use $0", "{r29}"(i32 %s6)
  call void asm sideeffect "# reg use $0", "{r30}"(i32 %s7)
  call void asm sideeffect "# reg use $0", "{r31}"(i32 %s8)
  ret void
}