test/CodeGen/RISCV/zcmp-prolog-epilog-crash.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
# REQUIRES: asserts
# RUN: llc  %s -o - -mtriple=riscv32 -mattr=+zcmp -target-abi ilp32 -run-pass=prologepilog \
# RUN:   -simplify-mir -verify-machineinstrs | FileCheck %s

--- |
  define hidden void @f(fp128 %a) local_unnamed_addr #0 {
  entry:
    %0 = bitcast fp128 %a to i128
    %and.i = lshr i128 %0, 112
    %1 = trunc i128 %and.i to i32
    %2 = and i32 %1, 32767
    %or.i = or i128 poison, 5192296858534827628530496329220096
    br label %if.end.i

  if.end.i:                                         ; preds = %entry
    br i1 poison, label %exit, label %if.then12.i

  if.then12.i:                                      ; preds = %if.end.i
    %sub13.i = sub nuw nsw i32 16495, %2
    %sh_prom.i = zext i32 %sub13.i to i128
    %shr14.i = lshr i128 %or.i, %sh_prom.i
    %conv15.i = trunc i128 %shr14.i to i32
    br label %exit

  exit:                                             ; preds = %if.then12.i, %if.end.i
    %retval.0.i = phi i32 [ %conv15.i, %if.then12.i ], [ -1, %if.end.i ]
    ret void
  }
...
---
name:            f
alignment:       2
tracksRegLiveness: true
tracksDebugUserValues: true
liveins:
  - { reg: '$x10' }
frameInfo:
  maxAlignment:    1
  localFrameSize:  32
  savePoint:       '%bb.2'
  restorePoint:    '%bb.2'
stack:
  - { id: 0, size: 32, alignment: 1, local-offset: -32 }
machineFunctionInfo:
  varArgsFrameIndex: 0
  varArgsSaveSize: 0
body:             |
  ; CHECK-LABEL: name: f
  ; CHECK: bb.0.entry:
  ; CHECK-NEXT:   liveins: $x10
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   renamable $x10 = ADDI $x0, -1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1.if.end.i:
  ; CHECK-NEXT:   liveins: $x10
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   BNE $x0, $x0, %bb.3
  ; CHECK-NEXT:   PseudoBR %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.if.then12.i:
  ; CHECK-NEXT:   liveins: $x10
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   $x2 = frame-setup ADDI $x2, -32
  ; CHECK-NEXT:   frame-setup CFI_INSTRUCTION def_cfa_offset 32
  ; CHECK-NEXT:   SB $x0, $x2, 31 :: (store (s8) into %stack.0 + 31)
  ; CHECK-NEXT:   SB $x0, $x2, 30 :: (store (s8) into %stack.0 + 30)
  ; CHECK-NEXT:   SB $x0, $x2, 29 :: (store (s8) into %stack.0 + 29)
  ; CHECK-NEXT:   SB $x0, $x2, 28 :: (store (s8) into %stack.0 + 28)
  ; CHECK-NEXT:   SB $x0, $x2, 27 :: (store (s8) into %stack.0 + 27)
  ; CHECK-NEXT:   SB $x0, $x2, 26 :: (store (s8) into %stack.0 + 26)
  ; CHECK-NEXT:   SB $x0, $x2, 25 :: (store (s8) into %stack.0 + 25)
  ; CHECK-NEXT:   SB $x0, $x2, 24 :: (store (s8) into %stack.0 + 24)
  ; CHECK-NEXT:   SB $x0, $x2, 23 :: (store (s8) into %stack.0 + 23)
  ; CHECK-NEXT:   SB $x0, $x2, 22 :: (store (s8) into %stack.0 + 22)
  ; CHECK-NEXT:   SB $x0, $x2, 21 :: (store (s8) into %stack.0 + 21)
  ; CHECK-NEXT:   SB $x0, $x2, 20 :: (store (s8) into %stack.0 + 20)
  ; CHECK-NEXT:   SB $x0, $x2, 19 :: (store (s8) into %stack.0 + 19)
  ; CHECK-NEXT:   SB $x0, $x2, 18 :: (store (s8) into %stack.0 + 18)
  ; CHECK-NEXT:   SB $x0, $x2, 17 :: (store (s8) into %stack.0 + 17)
  ; CHECK-NEXT:   SB $x0, $x2, 16 :: (store (s8) into %stack.0 + 16)
  ; CHECK-NEXT:   SB renamable $x10, $x2, 0 :: (store (s8) into %stack.0)
  ; CHECK-NEXT:   SB renamable $x10, $x2, 4 :: (store (s8) into %stack.0 + 4)
  ; CHECK-NEXT:   renamable $x11 = SRLI renamable $x10, 24
  ; CHECK-NEXT:   SB renamable $x11, $x2, 3 :: (store (s8) into %stack.0 + 3)
  ; CHECK-NEXT:   renamable $x12 = SRLI renamable $x10, 16
  ; CHECK-NEXT:   SB renamable $x12, $x2, 2 :: (store (s8) into %stack.0 + 2)
  ; CHECK-NEXT:   renamable $x13 = SRLI renamable $x10, 8
  ; CHECK-NEXT:   SB renamable $x13, $x2, 1 :: (store (s8) into %stack.0 + 1)
  ; CHECK-NEXT:   SB renamable $x10, $x2, 8 :: (store (s8) into %stack.0 + 8)
  ; CHECK-NEXT:   SB renamable $x11, $x2, 7 :: (store (s8) into %stack.0 + 7)
  ; CHECK-NEXT:   SB renamable $x12, $x2, 6 :: (store (s8) into %stack.0 + 6)
  ; CHECK-NEXT:   SB renamable $x13, $x2, 5 :: (store (s8) into %stack.0 + 5)
  ; CHECK-NEXT:   SB killed renamable $x10, $x2, 12 :: (store (s8) into %stack.0 + 12)
  ; CHECK-NEXT:   SB renamable $x11, $x2, 11 :: (store (s8) into %stack.0 + 11)
  ; CHECK-NEXT:   SB renamable $x12, $x2, 10 :: (store (s8) into %stack.0 + 10)
  ; CHECK-NEXT:   SB renamable $x13, $x2, 9 :: (store (s8) into %stack.0 + 9)
  ; CHECK-NEXT:   SB killed renamable $x11, $x2, 15 :: (store (s8) into %stack.0 + 15)
  ; CHECK-NEXT:   SB killed renamable $x12, $x2, 14 :: (store (s8) into %stack.0 + 14)
  ; CHECK-NEXT:   SB killed renamable $x13, $x2, 13 :: (store (s8) into %stack.0 + 13)
  ; CHECK-NEXT:   $x2 = frame-destroy ADDI $x2, 32
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.exit:
  ; CHECK-NEXT:   PseudoRET
  bb.0.entry:
    liveins: $x10

    renamable $x10 = ADDI $x0, -1

  bb.1.if.end.i:
    liveins: $x10

    BNE $x0, $x0, %bb.3
    PseudoBR %bb.2

  bb.2.if.then12.i:
    liveins: $x10

    SB $x0, %stack.0, 31 :: (store (s8) into %stack.0 + 31)
    SB $x0, %stack.0, 30 :: (store (s8) into %stack.0 + 30)
    SB $x0, %stack.0, 29 :: (store (s8) into %stack.0 + 29)
    SB $x0, %stack.0, 28 :: (store (s8) into %stack.0 + 28)
    SB $x0, %stack.0, 27 :: (store (s8) into %stack.0 + 27)
    SB $x0, %stack.0, 26 :: (store (s8) into %stack.0 + 26)
    SB $x0, %stack.0, 25 :: (store (s8) into %stack.0 + 25)
    SB $x0, %stack.0, 24 :: (store (s8) into %stack.0 + 24)
    SB $x0, %stack.0, 23 :: (store (s8) into %stack.0 + 23)
    SB $x0, %stack.0, 22 :: (store (s8) into %stack.0 + 22)
    SB $x0, %stack.0, 21 :: (store (s8) into %stack.0 + 21)
    SB $x0, %stack.0, 20 :: (store (s8) into %stack.0 + 20)
    SB $x0, %stack.0, 19 :: (store (s8) into %stack.0 + 19)
    SB $x0, %stack.0, 18 :: (store (s8) into %stack.0 + 18)
    SB $x0, %stack.0, 17 :: (store (s8) into %stack.0 + 17)
    SB $x0, %stack.0, 16 :: (store (s8) into %stack.0 + 16)
    SB renamable $x10, %stack.0, 0 :: (store (s8) into %stack.0)
    SB renamable $x10, %stack.0, 4 :: (store (s8) into %stack.0 + 4)
    renamable $x11 = SRLI renamable $x10, 24
    SB renamable $x11, %stack.0, 3 :: (store (s8) into %stack.0 + 3)
    renamable $x12 = SRLI renamable $x10, 16
    SB renamable $x12, %stack.0, 2 :: (store (s8) into %stack.0 + 2)
    renamable $x13 = SRLI renamable $x10, 8
    SB renamable $x13, %stack.0, 1 :: (store (s8) into %stack.0 + 1)
    SB renamable $x10, %stack.0, 8 :: (store (s8) into %stack.0 + 8)
    SB renamable $x11, %stack.0, 7 :: (store (s8) into %stack.0 + 7)
    SB renamable $x12, %stack.0, 6 :: (store (s8) into %stack.0 + 6)
    SB renamable $x13, %stack.0, 5 :: (store (s8) into %stack.0 + 5)
    SB killed renamable $x10, %stack.0, 12 :: (store (s8) into %stack.0 + 12)
    SB renamable $x11, %stack.0, 11 :: (store (s8) into %stack.0 + 11)
    SB renamable $x12, %stack.0, 10 :: (store (s8) into %stack.0 + 10)
    SB renamable $x13, %stack.0, 9 :: (store (s8) into %stack.0 + 9)
    SB killed renamable $x11, %stack.0, 15 :: (store (s8) into %stack.0 + 15)
    SB killed renamable $x12, %stack.0, 14 :: (store (s8) into %stack.0 + 14)
    SB killed renamable $x13, %stack.0, 13 :: (store (s8) into %stack.0 + 13)

  bb.3.exit:
    PseudoRET

...