llvm/llvm/test/CodeGen/LoongArch/inline-asm-clobbers-fcc.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc --mtriple=loongarch64 --mattr=+d --regalloc=fast \
# RUN:     --stop-before=postra-machine-sink %s -o - | FileCheck %s

## Check that fcc register clobbered by inlineasm is correctly saved by examing
## a pair of pseudos (PseudoST_CFR and PseudoLD_CFR) are generated before and
## after the INLINEASM.
...
---
name: test
tracksRegLiveness: true
body:             |
  bb.0.entry:
    liveins: $f0_64, $f1_64

    ; CHECK-LABEL: name: test
    ; CHECK: liveins: $f0_64, $f1_64
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $fcc0 = FCMP_CLT_D renamable $f1_64, renamable $f0_64
    ; CHECK-NEXT: PseudoST_CFR $fcc0, %stack.0, 0 :: (store (s64) into %stack.0)
    ; CHECK-NEXT: INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $fcc0
    ; CHECK-NEXT: $fcc0 = PseudoLD_CFR %stack.0, 0 :: (load (s64) from %stack.0)
    ; CHECK-NEXT: $r4 = COPY killed renamable $fcc0
    ; CHECK-NEXT: PseudoRET implicit killed $r4
    %1:fpr64 = COPY $f1_64
    %0:fpr64 = COPY $f0_64
    %2:cfr = FCMP_CLT_D %1, %0
    INLINEASM &"nop", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $fcc0
    $r4 = COPY %2
    PseudoRET implicit killed $r4

...