File: legalize-amdgcn.if.xfail.mir

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llvm-toolchain-17 1%3A17.0.6-22
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# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -global-isel-abort=2 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=ERR %s

# Make sure there's no crash if there is somehow no successor block.

# ERR: remark: <unknown>:0:0: unable to legalize instruction: %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2:_(s1) (in function: brcond_si_if_no_succ_block)

---
name: brcond_si_if_no_succ_block
body:             |
  bb.0:
    S_NOP 0

  bb.1:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2
    G_BRCOND %3, %bb.1
...