llvm/test/CodeGen/X86/apx/compress-evex.mir

# RUN: llc %s -mtriple=x86_64-unknown -mattr=+ndd,+egpr -start-before=x86-compress-evex -show-mc-encoding -o - | FileCheck %s

...
---
name:            ndd_2_non_ndd_xor
body:             |
  bb.0.entry:
    liveins: $rdi, $rsi
    ; CHECK: xorq    %rsi, %rax                      # EVEX TO LEGACY Compression encoding: [0x48,0x31,0xf0]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $rsi, implicit-def dead $eflags
    renamable $rax = XOR64rr_ND killed renamable $rax, killed renamable $rsi, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_sub
body:             |
  bb.0.entry:
    liveins: $rdi, $rsi
    ; CHECK: subq    %rsi, %rax                      # EVEX TO LEGACY Compression encoding: [0x48,0x29,0xf0]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $rsi, implicit-def dead $eflags
    renamable $rax = SUB64rr_ND killed renamable $rax, killed renamable $rsi, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_commutable
body:             |
  bb.0.entry:
    liveins: $rdi, $rsi
    ; CHECK: xorq    %rsi, %rax                      # EVEX TO LEGACY Compression encoding: [0x48,0x31,0xf0]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $rsi, implicit-def dead $eflags
    renamable $rax = XOR64rr_ND killed renamable $rsi, killed renamable $rax, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_commutable_new_opcode
body:             |
  bb.0.entry:
    liveins: $rdi, $rsi
    ; CHECK: shldq   $52, %rsi, %rax                 # EVEX TO LEGACY Compression encoding: [0x48,0x0f,0xa4,0xf0,0x34]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $rsi, implicit-def dead $eflags
    renamable $rax = SHRD64rri8_ND killed renamable $rsi, killed renamable $rax, 12, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_incommutable
body:             |
  bb.0.entry:
    liveins: $rdi, $rsi
    ; CHECK: subq    %rax, %rsi, %rax                # encoding: [0x62,0xf4,0xfc,0x18,0x29,0xc6]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $rsi, implicit-def dead $eflags
    renamable $rax = SUB64rr_ND killed renamable $rsi, killed renamable $rax, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_mem
body:             |
  bb.0.entry:
    ; CHECK: addq    $123456, (%rax), %rax           # encoding: [0x62,0xf4,0xfc,0x18,0x81,0x00,0x40,0xe2,0x01,0x00]
    renamable $rax = MOV64rm $noreg, 1, $noreg, 0, $fs
    renamable $rax = nsw ADD64mi32_ND killed renamable $rax, 1, $noreg, 0, $noreg, 123456, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_egpr
body:             |
  bb.0.entry:
    liveins: $rdi, $r16
    ; CHECK: xorq    %r16, %rax                      # EVEX TO LEGACY Compression encoding: [0xd5,0x48,0x31,0xc0]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $r16, implicit-def dead $eflags
    renamable $rax = XOR64rr_ND killed renamable $rax, killed renamable $r16, implicit-def dead $eflags
    RET64 $rax
...
---
name:            ndd_2_non_ndd_egpr_nf
body:             |
  bb.0.entry:
    liveins: $rdi, $r16
    ; CHECK: {nf} xorq %r16, %rax                   # EVEX TO EVEX Compression encoding: [0x62,0xe4,0xfc,0x0c,0x31,0xc0]
    renamable $rax = ADD64rr_ND killed renamable $rdi, renamable $r16, implicit-def dead $eflags
    renamable $rax = XOR64rr_NF_ND killed renamable $rax, killed renamable $r16
    RET64 $rax
...
---
name:            bswapr_to_movberr
body:             |
  bb.0.entry:
    liveins: $rax
    ; CHECK: bswapq  %rax                            # EVEX TO LEGACY Compression encoding: [0x48,0x0f,0xc8]
    renamable $rax = MOVBE64rr killed renamable $rax
    RET64 killed $rax

...