1 # RUN: llc -mtriple=x86_64-- -run-pass=regallocfast -o - %s | FileCheck %s
2 # RUN: llc -mtriple=x86_64-- -passes=regallocfast -o - %s | FileCheck %s
4 # Check that fastregalloc does not displace register assigned to tied def when
5 # RegMask operand is present. STATEPOINT is an example of such instruction.
6 # Tied def/use must be assigned to the same register.
9 tracksRegLiveness: true
16 ; CHECK: renamable [[REG:\$[a-z0-9]+]] = STATEPOINT 0, 0, 0, target-flags(x86-plt) 0, 2, 0, 2, 0, 2, 0, 2, 1, renamable [[REG]](tied-def 0)
19 ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
20 %1:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) 0, 2, 0, 2, 0, 2, 0, 2, 1, %1(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp
21 ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
26 # Same as above but with multiple RegMask operands per instruction.
27 # These regmasks have no real meaning and chosen to allow only single register to be assignable ($rbp)
29 name: test_relocate_multi_regmasks
30 tracksRegLiveness: true
37 ; CHECK: renamable $rbp = STATEPOINT 0, 0, 0, target-flags(x86-plt) 0, 2, 0, 2, 0, 2, 0, 2, 1, renamable $rbp(tied-def 0)
40 ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
41 %1:gr64 = STATEPOINT 0, 0, 0, target-flags(x86-plt) 0, 2, 0, 2, 0, 2, 0, 2, 1, %1(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64_rt_allregs, csr_64_cxx_tls_darwin_pe, implicit-def $rsp, implicit-def $ssp
42 ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp