llvm/test/CodeGen/RISCV/GlobalISel/knownbits-copy-crash.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=riscv64 -mattr=+zbb,+f -run-pass=instruction-select %s -o - | FileCheck %s

---
name:            foo
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: foo
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr = COPY $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.1(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:gpr = PHI [[COPY]], %bb.0, %6, %bb.1
  ; CHECK-NEXT:   [[ADDIW:%[0-9]+]]:gpr = ADDIW [[PHI]], 0
  ; CHECK-NEXT:   [[FCVT_S_W:%[0-9]+]]:fpr32 = nofpexcept FCVT_S_W [[ADDIW]], 7
  ; CHECK-NEXT:   [[FCVT_W_S:%[0-9]+]]:gpr = nofpexcept FCVT_W_S [[FCVT_S_W]], 1
  ; CHECK-NEXT:   PseudoBR %bb.1
  bb.1:
    %7:gprb(s64) = G_CONSTANT i64 0
    %3:gprb(s32) = G_TRUNC %7(s64)

  bb.2:
    %0:gprb(s32) = G_PHI %3(s32), %bb.1, %2(s32), %bb.2
    %6:gprb(s64) = G_SEXT %0(s32)
    %1:fprb(s32) = G_SITOFP %6(s64)
    %5:gprb(s64) = G_FCVT_W_RV64 %1(s32), 1
    %2:gprb(s32) = G_TRUNC %5(s64)
    G_BR %bb.2

...