| # 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 |
| |
| ... |
