| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=aarch64-unknown-linux -run-pass=twoaddressinstruction -verify-machineinstrs %s -o - | FileCheck %s |
| # REQUIRES: aarch64-registered-target |
| |
| # Verify that the register class is correctly constrained after the twoaddress replacement |
| --- |
| name: statepoint_twoaddr |
| tracksRegLiveness: true |
| stack: |
| - { id: 0, name: '', type: default, offset: 0, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -4, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| body: | |
| bb.0: |
| liveins: $w0 |
| |
| ; CHECK-LABEL: name: statepoint_twoaddr |
| ; CHECK: liveins: $w0 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64sp = COPY killed $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $xzr |
| ; CHECK-NEXT: [[STATEPOINT:%[0-9]+]]:gpr64sp = STATEPOINT 2882400000, 0, 1, killed [[COPY1]], undef $x0, 2, 125, 2, 4, 2, 0, 2, 2, killed [[STATEPOINT]](tied-def 0), 2, 4278124286, 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead $x0, implicit-def dead early-clobber $lr :: (volatile load store (s32) on %stack.0) |
| ; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64sp = ADDXri killed [[STATEPOINT]], 16, 0 |
| ; CHECK-NEXT: $x0 = COPY killed [[ADDXri]] |
| ; CHECK-NEXT: RET_ReallyLR implicit $x0 |
| %0:gpr64all = COPY killed $x0 |
| %1:gpr32 = COPY $xzr |
| %2:gpr64sp = STATEPOINT 2882400000, 0, 1, killed %1, undef $x0, 2, 125, 2, 4, 2, 0, 2, 2, killed %0(tied-def 0), 2, 4278124286, 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead $x0, implicit-def dead early-clobber $lr :: (volatile load store (s32) on %stack.0) |
| %3:gpr64sp = ADDXri killed %2, 16, 0 |
| $x0 = COPY killed %3 |
| RET_ReallyLR implicit $x0 |
| ... |