llvm/test/MachineVerifier/test_g_fcmp.mir

#RUN: not --crash llc -o - -mtriple=arm64 -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target

---
name:            test_fcmp
legalized:       true
regBankSelected: false
selected:        false
tracksRegLiveness: true
liveins:
body:             |
  bb.0:

    %0:_(s32) = G_FCONSTANT float 0.0
    %1:_(s32) = G_FCONSTANT float 1.0

   ; Vector result, scalar source
   ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of lanes
    %2:_(<2 x s1>) = G_FCMP floatpred(oeq), %0, %1

    ; Scalar result, vector source
    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of lanes
    %3:_(<2 x s32>) = G_IMPLICIT_DEF
    %4:_(<2 x s32>) = G_IMPLICIT_DEF
    %5:_(s1) = G_FCMP floatpred(oeq), %3, %4

    ; mismatched fixed element count
    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of
    %6:_(<2 x s32>) = G_IMPLICIT_DEF
    %7:_(<2 x s32>) = G_IMPLICIT_DEF
    %8:_(<4 x s1>) = G_FCMP floatpred(oeq), %6, %7

    ; mismatched scalable element count
    ; CHECK: Bad machine code: Generic vector icmp/fcmp must preserve number of
    %9:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
    %10:_(<vscale x 2 x s32>) = G_IMPLICIT_DEF
    %11:_(<vscale x 4 x s1>) = G_FCMP floatpred(oeq), %9, %10

    ; mismatched scalar element type
    ; CHECK: *** Bad machine code: Type mismatch in generic instruction ***
    %12:_(s32) = G_FCONSTANT float 0.0
    %13:_(s64) = G_FCONSTANT float 1.0
    %14:_(s1) = G_FCMP floatpred(oeq), %12, %13

...