[llvm] abac602 - [M68k][AsmParser] Support negative integer constants

Min-Yih Hsu via llvm-commits llvm-commits at lists.llvm.org
Wed May 5 17:15:13 PDT 2021


Author: Min-Yih Hsu
Date: 2021-05-05T17:11:59-07:00
New Revision: abac6023bba555ee930762f08a01f33370308c68

URL: https://github.com/llvm/llvm-project/commit/abac6023bba555ee930762f08a01f33370308c68
DIFF: https://github.com/llvm/llvm-project/commit/abac6023bba555ee930762f08a01f33370308c68.diff

LOG: [M68k][AsmParser] Support negative integer constants

Parsing negative integer constants as expressions.

Differential Revision: https://reviews.llvm.org/D101732

Added: 
    llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMI.s
    llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMR.s
    llvm/test/MC/M68k/Bits/Classes/MxBTST_MI.s
    llvm/test/MC/M68k/Bits/Classes/MxBTST_MR.s
    llvm/test/MC/M68k/Control/Classes/MxScc.s
    llvm/test/MC/M68k/Data/Classes/MxLEA.s
    llvm/test/MC/M68k/Data/Classes/MxMove_MI.s

Modified: 
    llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp

Removed: 
    llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMI.mir
    llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMR.mir
    llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MI.mir
    llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MR.mir
    llvm/test/CodeGen/M68k/Encoding/Control/Classes/MxScc.mir
    llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxLEA.mir
    llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxMove_MI.mir


################################################################################
diff  --git a/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp b/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
index aaec0a95d8e58..3f5da05db5e12 100644
--- a/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
+++ b/llvm/lib/Target/M68k/AsmParser/M68kAsmParser.cpp
@@ -49,7 +49,7 @@ class M68kAsmParser : public MCTargetAsmParser {
   // Parser functions.
   void eatComma();
 
-  bool isExpr() const;
+  bool isExpr();
   OperandMatchResultTy parseImm(OperandVector &Operands);
   OperandMatchResultTy parseMemOp(OperandVector &Operands);
 
@@ -581,11 +581,13 @@ OperandMatchResultTy M68kAsmParser::tryParseRegister(unsigned &RegNo,
   return Result;
 }
 
-bool M68kAsmParser::isExpr() const {
+bool M68kAsmParser::isExpr() {
   switch (Parser.getTok().getKind()) {
   case AsmToken::Identifier:
   case AsmToken::Integer:
     return true;
+  case AsmToken::Minus:
+    return getLexer().peekTok().getKind() == AsmToken::Integer;
 
   default:
     return false;

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMI.mir b/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMI.mir
deleted file mode 100644
index eef4958f86b29..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMI.mir
+++ /dev/null
@@ -1,88 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=ADD8FI,ADD32FI,ADD8PI,ADD32PI,ADD8JI,ADD32JI
-
-#------------------------------------------------------------------------------
-# MxBiArOp_FMI class used for binary arithmetic operations and operates on
-# memory and immediate data. It uses MxArithImmEncoding class.
-#------------------------------------------------------------------------------
-
-
---- # ARII
-#               -------------------------------+-------+-----------+-----------
-#                F   E   D   C   B   A   9   8 | 7   6 | 5   4   3 | 2   1   0
-#               -------------------------------+-------+-----------+-----------
-#       OPWORD   x   x   x   x   x   x   x   x |  SIZE |    MODE   |    REG
-#               -------------------------------+-------+-----------+-----------
-# ADD8FI:        0   0   0   0   0   1   1   0 . 0   0   1   1   0   0   0   0
-# ADD8FI-SAME:   0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# ADD8FI-SAME:   0   0   0   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------------------------------
-# ADD8FI-SAME:   0   0   0   0   0   1   1   0 . 0   0   1   1   0   0   1   1
-# ADD8FI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# ADD8FI-SAME:   1   0   0   1   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------------------------------
-# ADD32FI-SAME:  0   0   0   0   0   1   1   0 . 1   0   1   1   0   0   1   0
-# ADD32FI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# ADD32FI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# ADD32FI-SAME:  0   0   0   1   1   0   0   0 . 0   0   0   0   1   1   0   1
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBiArOp_FMI_ARII
-body: |
-  bb.0:
-    ADD8fi   0, $a0, $d0, -1, implicit-def $ccr
-    ADD8fi  -1, $a3, $a1,  0, implicit-def $ccr
-    ADD32fi 13, $a2, $d1, -1, implicit-def $ccr
-
-...
---- # ARID
-#               -------------------------------+-------+-----------+-----------
-#                F   E   D   C   B   A   9   8 | 7   6 | 5   4   3 | 2   1   0
-#               -------------------------------+-------+-----------+-----------
-#       OPWORD   x   x   x   x   x   x   x   x |  SIZE |    MODE   |    REG
-#               -------------------------------+-------+-----------+-----------
-# ADD8PI-SAME:   0   0   0   0   0   1   1   0 . 0   0   1   0   1   0   0   0
-# ADD8PI-SAME:   0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# ADD8PI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------------------------------
-# ADD8PI-SAME:   0   0   0   0   0   1   1   0 . 0   0   1   0   1   0   1   1
-# ADD8PI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# ADD8PI-SAME:   1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------------------------------
-# ADD32PI-SAME:  0   0   0   0   0   1   1   0 . 1   0   1   0   1   0   1   0
-# ADD32PI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# ADD32PI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# ADD32PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   1   1   0   1
-name: MxBiArOp_FMI_ARID
-body: |
-  bb.0:
-    ADD8pi   0, $a0, -1, implicit-def $ccr
-    ADD8pi  -1, $a3,  0, implicit-def $ccr
-    ADD32pi 13, $a2, -1, implicit-def $ccr
-
-...
---- # ARI
-#               -------------------------------+-------+-----------+-----------
-#                F   E   D   C   B   A   9   8 | 7   6 | 5   4   3 | 2   1   0
-#               -------------------------------+-------+-----------+-----------
-#       OPWORD   x   x   x   x   x   x   x   x |  SIZE |    MODE   |    REG
-#               -------------------------------+-------+-----------+-----------
-# ADD8JI-SAME:   0   0   0   0   0   1   1   0 . 0   0   0   1   0   0   0   0
-# ADD8JI-SAME:   0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------------------------------
-# ADD8JI-SAME:   0   0   0   0   0   1   1   0 . 0   0   0   1   0   0   1   1
-# ADD8JI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------------------------------
-# ADD32JI-SAME:  0   0   0   0   0   1   1   0 . 1   0   0   1   0   0   1   0
-# ADD32JI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# ADD32JI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-name: MxBiArOp_FMI_ARI
-body: |
-  bb.0:
-    ADD8ji  $a0, -1, implicit-def $ccr
-    ADD8ji  $a3,  0, implicit-def $ccr
-    ADD32ji $a2, -1, implicit-def $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMR.mir b/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMR.mir
deleted file mode 100644
index e7cf7f8b2ae69..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Arith/Classes/MxBiArOp_FMR.mir
+++ /dev/null
@@ -1,73 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=ADD8FD,ADD32FD,ADD8PD,ADD32PD,ADD8JD,ADD32JD
-
-#------------------------------------------------------------------------------
-# MxBiArOp_FMR class used for binary arithmetic operations and operates on
-# register and memory; the result is store to memory. It uses MxArithEncoding
-# encoding class and MxOpModeEAd opmode class.
-#------------------------------------------------------------------------------
-
---- # ARII
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#       OPWORD   x   x   x   x |    REG    |   OPMODE  |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# ADD8FD:        1   1   0   1   0   0   0   1 . 0   0   1   1   0   0   0   0
-# ADD8FD-SAME:   0   0   0   1   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# ADD8FD-SAME:   1   1   0   1   0   0   0   1 . 0   0   1   1   0   0   0   0
-# ADD8FD-SAME:   0   0   0   1   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               ---------------------------------------------------------------
-# ADD32FD-SAME:  1   1   0   1   0   0   0   1 . 1   0   1   1   0   0   0   1
-# ADD32FD-SAME:  0   0   0   1   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# ADD32FD-SAME:  1   1   0   1   0   0   1   1 . 1   0   1   1   0   0   1   0
-# ADD32FD-SAME:  1   0   1   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBiArOp_FMR_ARII
-body: |
-  bb.0:
-    ADD8fd  0,  $a0, $d1, $bd0, implicit-def $ccr
-    ADD8fd  -1, $a0, $d1, $bd0, implicit-def $ccr
-    ADD32fd 0,  $a1, $d1,  $d0, implicit-def $ccr
-    ADD32fd 0,  $a2, $a2,  $d1, implicit-def $ccr
-
-...
---- # ARID
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#       OPWORD   x   x   x   x |    REG    |   OPMODE  |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# ADD8PD-SAME:   1   1   0   1   0   0   0   1 . 0   0   1   0   1   0   0   0
-# ADD8PD-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# ADD32PD-SAME:  1   1   0   1   0   0   0   1 . 1   0   1   0   1   0   0   1
-# ADD32PD-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-name: MxBiArOp_FMR_ARID
-body: |
-  bb.0:
-    ADD8pd  0,  $a0, $bd0, implicit-def $ccr
-    ADD32pd -1, $a1,  $d0, implicit-def $ccr
-
-...
---- # ARI
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#       OPWORD   x   x   x   x |    REG    |   OPMODE  |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# ADD8JD-SAME:   1   1   0   1   0   0   0   1 . 0   0   0   1   0   0   0   0
-#               ---------------------------------------------------------------
-# ADD32JD-SAME:  1   1   0   1   0   1   1   1 . 1   0   0   1   0   0   0   1
-name: MxBiArOp_FMR_ARI
-body: |
-  bb.0:
-    ADD8jd  $a0, $bd0, implicit-def $ccr
-    ADD32jd $a1,  $d3, implicit-def $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MI.mir b/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MI.mir
deleted file mode 100644
index 7baf3b2bbb7b8..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MI.mir
+++ /dev/null
@@ -1,115 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=BTST8KI,BTST8QI,BTST8FI,BTST8PI,BTST8JI
-
-#------------------------------------------------------------------------------
-# MxBTST_MI class used for BTST operations, the source is locate in memory and
-# the bit number is immediate value. This instruciton can only operate on 8 bits.
-#------------------------------------------------------------------------------
-
-
---- # PCI
-#               ---------------------------------------+-----------+-----------
-#                F   E   D   C   B   A   9   8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------+-----------+-----------
-#                0   0   0   0   1   0   0   0   0   0 |    MODE   |    REG
-#               ---------------------------------------+-----------+-----------
-# BTST8KI:       0   0   0   0   1   0   0   0 . 0   0   1   1   1   0   1   1
-# BTST8KI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# BTST8KI-SAME:  0   0   0   1   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8KI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   1   1   0   1   1
-# BTST8KI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   1
-# BTST8KI-SAME:  0   0   0   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBTST_MI_PCI
-body: |
-  bb.0:
-    BTST8ki -1, $d1, 0, implicit-def $ccr
-    BTST8ki  0, $d0, 1, implicit-def $ccr
-
-...
---- # PCD
-#               ---------------------------------------+-----------+-----------
-#                F   E   D   C   B   A   9   8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------+-----------+-----------
-#                0   0   0   0   1   0   0   0   0   0 |    MODE   |    REG
-#               ---------------------------------------+-----------+-----------
-# BTST8QI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   1   1   0   1   0
-# BTST8QI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# BTST8QI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------+-----------+-----------
-# BTST8QI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   1   1   0   1   0
-# BTST8QI-SAME:  0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# BTST8QI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-name: MxBTST_MI_PCD
-body: |
-  bb.0:
-    BTST8qi  0,  0, implicit-def $ccr
-    BTST8qi -1, -1, implicit-def $ccr
-
-...
---- # ARII
-#               ---------------------------------------+-----------+-----------
-#                F   E   D   C   B   A   9   8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------+-----------+-----------
-#                0   0   0   0   1   0   0   0   0   0 |    MODE   |    REG
-#               ---------------------------------------+-----------+-----------
-# BTST8FI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   1   0   0   0   1
-# BTST8FI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# BTST8FI-SAME:  1   0   0   0   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8FI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   1   0   0   0   0
-# BTST8FI-SAME:  0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# BTST8FI-SAME:  1   0   0   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBTST_MI_ARII
-body: |
-  bb.0:
-    BTST8fi -1, $a1, $a0,  0, implicit-def $ccr
-    BTST8fi  0, $a0, $a0, -1, implicit-def $ccr
-
-...
---- # ARID
-#               ---------------------------------------+-----------+-----------
-#                F   E   D   C   B   A   9   8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------+-----------+-----------
-#                0   0   0   0   1   0   0   0   0   0 |    MODE   |    REG
-#               ---------------------------------------+-----------+-----------
-# BTST8PI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   0   1   0   0   1
-# BTST8PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# BTST8PI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8PI-SAME:  0   0   0   0   1   0   0   0 . 0   0   1   0   1   0   0   0
-# BTST8PI-SAME:  0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# BTST8PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-name: MxBTST_MI_ARID
-body: |
-  bb.0:
-    BTST8pi -1, $a1,  0, implicit-def $ccr
-    BTST8pi  0, $a0, -1, implicit-def $ccr
-
-...
---- # ARI
-#               ---------------------------------------+-----------+-----------
-#                F   E   D   C   B   A   9   8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------+-----------+-----------
-#                0   0   0   0   1   0   0   0   0   0 |    MODE   |    REG
-#               ---------------------------------------+-----------+-----------
-# BTST8JI-SAME:  0   0   0   0   1   0   0   0 . 0   0   0   1   0   0   0   1
-# BTST8JI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------+-----------+-----------
-# BTST8JI-SAME:  0   0   0   0   1   0   0   0 . 0   0   0   1   0   0   0   0
-# BTST8JI-SAME:  0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-name: MxBTST_MI_ARI
-body: |
-  bb.0:
-    BTST8ji  $a1,  0, implicit-def $ccr
-    BTST8ji  $a0, -1, implicit-def $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MR.mir b/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MR.mir
deleted file mode 100644
index aa2fb21a162b1..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Bits/Classes/MxBTST_MR.mir
+++ /dev/null
@@ -1,104 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=BTST8KD,BTST8QD,BTST8FD,BTST8PD,BTST8JD
-
-#------------------------------------------------------------------------------
-# MxBTST_MR class used for BTST operations, the source is locate in memory and
-# the bit number is in register. This instruciton can only operate on 8 bits.
-#------------------------------------------------------------------------------
-
-
---- # PCI
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#                0   0   0   0 |    REG    | 1   0   0 |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# BTST8KD:       0   0   0   0   0   0   0   1 . 0   0   1   1   1   0   1   1
-# BTST8KD-SAME:  0   0   0   1   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8KD-SAME:  0   0   0   0   0   0   1   1 . 0   0   1   1   1   0   1   1
-# BTST8KD-SAME:  0   0   0   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBTST_MR_PCI
-body: |
-  bb.0:
-    BTST8kd -1, $d1, $bd0, implicit-def $ccr
-    BTST8kd  0, $d0, $bd1, implicit-def $ccr
-
-...
---- # PCD
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#                0   0   0   0 |    REG    | 1   0   0 |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# BTST8QD-SAME:  0   0   0   0   0   0   0   1 . 0   0   1   1   1   0   1   0
-# BTST8QD-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               -------------------------------+-------+-----------+-----------
-# BTST8QD-SAME:  0   0   0   0   0   0   1   1 . 0   0   1   1   1   0   1   0
-# BTST8QD-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-name: MxBTST_MR_PCD
-body: |
-  bb.0:
-    BTST8qd  0, $bd0, implicit-def $ccr
-    BTST8qd -1, $bd1, implicit-def $ccr
-
-...
---- # ARII
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#                0   0   0   0 |    REG    | 1   0   0 |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# BTST8FD-SAME:  0   0   0   0   0   0   0   1 . 0   0   1   1   0   0   0   1
-# BTST8FD-SAME:  1   0   0   0   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8FD-SAME:  0   0   0   0   0   0   1   1 . 0   0   1   1   0   0   0   0
-# BTST8FD-SAME:  1   0   0   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxBTST_MR_ARII
-body: |
-  bb.0:
-    BTST8fd -1, $a1, $a0, $bd0, implicit-def $ccr
-    BTST8fd  0, $a0, $a0, $bd1, implicit-def $ccr
-
-...
---- # ARID
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#                0   0   0   0 |    REG    | 1   0   0 |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# BTST8PD-SAME:  0   0   0   0   0   0   0   1 . 0   0   1   0   1   0   0   1
-# BTST8PD-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               -------------------------------+-------+-----------+-----------
-# BTST8PD-SAME:  0   0   0   0   0   0   1   1 . 0   0   1   0   1   0   0   0
-# BTST8PD-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-name: MxBTST_MR_ARID
-body: |
-  bb.0:
-    BTST8pd -1, $a1, $bd0, implicit-def $ccr
-    BTST8pd  0, $a0, $bd1, implicit-def $ccr
-
-...
---- # ARI
-#               ---------------+-----------+-----------+-----------+-----------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------+-----------+-----------+-----------+-----------
-#                0   0   0   0 |    REG    | 1   0   0 |    MODE   |    REG
-#               ---------------+-----------+-----------+-----------+-----------
-# BTST8JD-SAME:  0   0   0   0   0   0   0   1 . 0   0   0   1   0   0   0   1
-# BTST8JD-SAME:  0   0   0   0   0   0   1   1 . 0   0   0   1   0   0   0   0
-name: MxBTST_MR_ARI
-body: |
-  bb.0:
-    BTST8jd  $a1, $bd0, implicit-def $ccr
-    BTST8jd  $a0, $bd1, implicit-def $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Control/Classes/MxScc.mir b/llvm/test/CodeGen/M68k/Encoding/Control/Classes/MxScc.mir
deleted file mode 100644
index 9c06906d0fdd2..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Control/Classes/MxScc.mir
+++ /dev/null
@@ -1,140 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETD8CC,SETD8LS,SETD8LT,SETD8EQ,SETD8MI,SETD8F
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETD8NE,SETD8GE,SETD8CS,SETD8PL,SETD8GT,SETD8T
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETD8HI,SETD8VC,SETD8LE,SETD8VS,SETP8CC,SETP8LS
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETP8LT,SETP8EQ,SETP8MI,SETP8F,SETP8NE,SETP8GE
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETP8CS,SETP8PL,SETP8GT,SETP8T,SETP8HI,SETP8VC
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=SETP8LE,SETP8VS
-
-#------------------------------------------------------------------------------
-# MxScc sets byte filled with 1s or 0s based on cc condition
-#------------------------------------------------------------------------------
-
---- # MxScc_D
-#               ---------------+---------------+-------+-----------+-----------
-#                F   E   D   C | B   A   9   8 | 7   6 | 5   4   3 | 2   1   0
-#               ---------------+---------------+-------+-----------+-----------
-#                0   1   0   1 |   CONDITION   | 1   1 |    MODE   |    REG
-#               ---------------+---------------+-------+-----------+-----------
-# SETD8T:        0   1   0   1   0   0   0   0 . 1   1   0   0   0   0   0   0
-# SETD8F:        0   1   0   1   0   0   0   1 . 1   1   0   0   0   0   0   1
-# SETD8HI:       0   1   0   1   0   0   1   0 . 1   1   0   0   0   0   1   0
-# SETD8LS-SAME:  0   1   0   1   0   0   1   1 . 1   1   0   0   0   0   1   1
-# SETD8CC:       0   1   0   1   0   1   0   0 . 1   1   0   0   0   1   0   0
-# SETD8CS-SAME:  0   1   0   1   0   1   0   1 . 1   1   0   0   0   1   0   1
-# SETD8NE-SAME:  0   1   0   1   0   1   1   0 . 1   1   0   0   0   1   1   0
-# SETD8EQ-SAME:  0   1   0   1   0   1   1   1 . 1   1   0   0   0   1   1   1
-# SETD8VC-SAME:  0   1   0   1   1   0   0   0 . 1   1   0   0   0   0   0   0
-# SETD8VS-SAME:  0   1   0   1   1   0   0   1 . 1   1   0   0   0   0   0   0
-# SETD8PL-SAME:  0   1   0   1   1   0   1   0 . 1   1   0   0   0   0   0   0
-# SETD8MI-SAME:  0   1   0   1   1   0   1   1 . 1   1   0   0   0   0   0   0
-# SETD8GE-SAME:  0   1   0   1   1   1   0   0 . 1   1   0   0   0   0   0   0
-# SETD8LT-SAME:  0   1   0   1   1   1   0   1 . 1   1   0   0   0   0   0   0
-# SETD8GT-SAME:  0   1   0   1   1   1   1   0 . 1   1   0   0   0   0   0   0
-# SETD8LE-SAME:  0   1   0   1   1   1   1   1 . 1   1   0   0   0   0   0   0
-name: MxScc_D
-body: |
-  bb.0:
-      $bd0 = SETd8t  implicit $ccr
-      $bd1 = SETd8f  implicit $ccr
-      $bd2 = SETd8hi implicit $ccr
-      $bd3 = SETd8ls implicit $ccr
-      $bd4 = SETd8cc implicit $ccr
-      $bd5 = SETd8cs implicit $ccr
-      $bd6 = SETd8ne implicit $ccr
-      $bd7 = SETd8eq implicit $ccr
-      $bd0 = SETd8vc implicit $ccr
-      $bd0 = SETd8vs implicit $ccr
-      $bd0 = SETd8pl implicit $ccr
-      $bd0 = SETd8mi implicit $ccr
-      $bd0 = SETd8ge implicit $ccr
-      $bd0 = SETd8lt implicit $ccr
-      $bd0 = SETd8gt implicit $ccr
-      $bd0 = SETd8le implicit $ccr
-
-...
---- # MxScc_ARID
-#               ---------------+---------------+-------+-----------+-----------
-#                F   E   D   C | B   A   9   8 | 7   6 | 5   4   3 | 2   1   0
-#               ---------------+---------------+-------+-----------+-----------
-#                0   1   0   1 |   CONDITION   | 1   1 |    MODE   |    REG
-#               ---------------+---------------+-------+-----------+-----------
-# SETP8T:        0   1   0   1   0   0   0   0 . 1   1   1   0   1   0   0   0
-# SETP8T-SAME:   1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               ---------------------------------------------------------------
-# SETP8F:        0   1   0   1   0   0   0   1 . 1   1   1   0   1   0   0   1
-# SETP8F-SAME:   0   0   0   0   0   0   0   0 . 0   0   1   0   1   0   1   0
-#               ---------------------------------------------------------------
-# SETP8HI-SAME:  0   1   0   1   0   0   1   0 . 1   1   1   0   1   0   1   0
-# SETP8HI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8LS-SAME:  0   1   0   1   0   0   1   1 . 1   1   1   0   1   0   1   1
-# SETP8LS-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8CC-SAME:  0   1   0   1   0   1   0   0 . 1   1   1   0   1   1   0   0
-# SETP8CC-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8CS:       0   1   0   1   0   1   0   1 . 1   1   1   0   1   1   0   1
-# SETP8CS-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8NE-SAME:  0   1   0   1   0   1   1   0 . 1   1   1   0   1   1   1   0
-# SETP8NE-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8EQ-SAME:  0   1   0   1   0   1   1   1 . 1   1   1   0   1   0   0   0
-# SETP8EQ-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8VC-SAME:  0   1   0   1   1   0   0   0 . 1   1   1   0   1   0   0   0
-# SETP8VC-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8VS:       0   1   0   1   1   0   0   1 . 1   1   1   0   1   0   0   0
-# SETP8VS-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8PL-SAME:  0   1   0   1   1   0   1   0 . 1   1   1   0   1   0   0   0
-# SETP8PL-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8MI-SAME:  0   1   0   1   1   0   1   1 . 1   1   1   0   1   0   0   0
-# SETP8MI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8GE-SAME:  0   1   0   1   1   1   0   0 . 1   1   1   0   1   0   0   0
-# SETP8GE-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8LT:       0   1   0   1   1   1   0   1 . 1   1   1   0   1   0   0   0
-# SETP8LT-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8GT-SAME:  0   1   0   1   1   1   1   0 . 1   1   1   0   1   0   0   0
-# SETP8GT-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# SETP8LE:       0   1   0   1   1   1   1   1 . 1   1   1   0   1   0   0   0
-# SETP8LE-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-name: MxScc_ARID
-body: |
-  bb.0:
-      SETp8t  -1, $a0, implicit $ccr
-      SETp8f  42, $a1, implicit $ccr
-      SETp8hi  0, $a2, implicit $ccr
-      SETp8ls  0, $a3, implicit $ccr
-      SETp8cc  0, $a4, implicit $ccr
-      SETp8cs  0, $a5, implicit $ccr
-      SETp8ne  0, $a6, implicit $ccr
-      SETp8eq  0, $a0, implicit $ccr
-      SETp8vc  0, $a0, implicit $ccr
-      SETp8vs  0, $a0, implicit $ccr
-      SETp8pl  0, $a0, implicit $ccr
-      SETp8mi  0, $a0, implicit $ccr
-      SETp8ge  0, $a0, implicit $ccr
-      SETp8lt  0, $a0, implicit $ccr
-      SETp8gt  0, $a0, implicit $ccr
-      SETp8le  0, $a0, implicit $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxLEA.mir b/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxLEA.mir
deleted file mode 100644
index fca013669d7d5..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxLEA.mir
+++ /dev/null
@@ -1,65 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=LEA32Q,LEA32F,LEA32P
-
-#------------------------------------------------------------------------------
-# MxLEA is used to calculate effective address and load it into a address reg
-#------------------------------------------------------------------------------
-
---- # PCD
-#               ---------------------------------------------------------------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------------------------------
-#                0   1   0   0 |  DST REG  | 1   1   1 |    MODE   |    REG
-#               ---------------------------------------------------------------
-# LEA32Q:        0   1   0   0   0   0   0   1 . 1   1   1   1   1   0   1   0
-# LEA32Q-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# LEA32Q-SAME:   0   1   0   0   0   0   0   1 . 1   1   1   1   1   0   1   0
-# LEA32Q-SAME:   1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-name: MxLEA_PCD
-body: |
-  bb.0:
-     $a0 = LEA32q  0, implicit-def $ccr
-     $a0 = LEA32q -1, implicit-def $ccr
-
-...
---- # ARII
-#               ---------------------------------------------------------------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------------------------------
-#                0   1   0   0 |  DST REG  | 1   1   1 |    MODE   |    REG
-#               ---------------------------------------------------------------
-# LEA32F-SAME:   0   1   0   0   0   0   0   1 . 1   1   1   1   0   0   0   1
-# LEA32F-SAME:   0   0   0   1   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# LEA32F-SAME:   0   1   0   0   0   0   1   1 . 1   1   1   1   0   0   1   0
-# LEA32F-SAME:   1   0   1   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxLEA_ARII
-body: |
-  bb.0:
-     $a0 = LEA32f 0,  $a1, $d1, implicit-def $ccr
-     $a1 = LEA32f 0,  $a2, $a2, implicit-def $ccr
-
-...
---- # ARID
-#               ---------------------------------------------------------------
-#                F   E   D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               ---------------------------------------------------------------
-#                0   1   0   0 |  DST REG  | 1   1   1 |    MODE   |    REG
-#               ---------------------------------------------------------------
-# LEA32P-SAME:   0   1   0   0   0   0   0   1 . 1   1   1   0   1   0   0   1
-# LEA32P-SAME:   1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               ---------------------------------------------------------------
-# LEA32P-SAME:   0   1   0   0   0   0   0   1 . 1   1   1   0   1   0   0   1
-# LEA32P-SAME:   1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-name: MxLEA_ARID
-body: |
-  bb.0:
-     $a0 = LEA32p -1, $a1, implicit-def $ccr
-     $a0 = LEA32p -1, $a1, implicit-def $ccr
-
-...

diff  --git a/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxMove_MI.mir b/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxMove_MI.mir
deleted file mode 100644
index db24b521456f0..0000000000000
--- a/llvm/test/CodeGen/M68k/Encoding/Data/Classes/MxMove_MI.mir
+++ /dev/null
@@ -1,97 +0,0 @@
-# RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=obj -o - \
-# RUN:   | extract-section .text \
-# RUN:   | FileCheck %s -check-prefixes=MOV8FI,MOV32FI,MOV8PI,MOV32PI,MOV8JI,MOV32JI
-
-#------------------------------------------------------------------------------
-# MxMove_MI is used for moving immediate to memory
-#------------------------------------------------------------------------------
-
---- # ARII
-#               ---------------------------+-----------+-----------+-----------
-#                F   E | D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               -------+-------+-----------+-----------+-----------+-----------
-#                      |       |      DESTINATION      |         SOURCE
-#                0   0 | SIZE  |    REG    |    MODE   |    MODE   |    REG
-#               -------+-------+-----------+-----------+-----------+-----------
-# MOV8FI:        0   0   0   1   0   0   0   1 . 1   0   1   1   1   1   0   0
-# MOV8FI-SAME:   0   0   0   0   0   0   0   0 . 1   1   1   1   1   1   1   1
-# MOV8FI-SAME:   0   0   0   1   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# MOV8FI-SAME:   0   0   0   1   0   0   0   1 . 1   0   1   1   1   1   0   0
-# MOV8FI-SAME:   0   0   0   0   0   0   0   0 . 0   0   1   0   1   0   1   0
-# MOV8FI-SAME:   0   0   0   1   1   0   0   0 . 1   1   1   1   1   1   1   1
-#               ---------------------------------------------------------------
-# MOV32FI-SAME:  0   0   1   0   0   0   1   1 . 1   0   1   1   1   1   0   0
-# MOV32FI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# MOV32FI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-# MOV32FI-SAME:  0   0   0   1   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# MOV32FI-SAME:  0   0   1   0   0   1   0   1 . 1   0   1   1   1   1   0   0
-# MOV32FI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32FI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32FI-SAME:  1   0   1   0   1   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---+-----------+---+-------+---+-------------------------------
-#        BRIEF  DA |    REG    | L | SCALE | 0 |          DISPLACEMENT
-#               ---+-----------+---+-------+---+-------------------------------
-name: MxMove_MI_ARII
-body: |
-  bb.0:
-    MOV8fi  0,  $a0, $d1, -1, implicit-def $ccr
-    MOV8fi  -1, $a0, $d1, 42, implicit-def $ccr
-    MOV32fi 0,  $a1, $d1, -1, implicit-def $ccr
-    MOV32fi 0,  $a2, $a2,  0, implicit-def $ccr
-
-...
---- # ARID
-#               ---------------------------+-----------+-----------+-----------
-#                F   E | D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               -------+-------+-----------+-----------+-----------+-----------
-#                      |       |      DESTINATION      |         SOURCE
-#                0   0 | SIZE  |    REG    |    MODE   |    MODE   |    REG
-#               -------+-------+-----------+-----------+-----------+-----------
-# MOV8PI-SAME:   0   0   0   1   0   0   0   1 . 0   1   1   1   1   1   0   0
-# MOV8PI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV8PI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# MOV32PI-SAME:  0   0   1   0   0   0   1   1 . 0   1   1   1   1   1   0   0
-# MOV32PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32PI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-#               ---------------------------------------------------------------
-# MOV32PI-SAME:  0   0   1   0   0   0   1   1 . 0   1   1   1   1   1   0   0
-# MOV32PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32PI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32PI-SAME:  1   1   1   1   1   1   1   1 . 1   1   1   1   1   1   1   1
-name: MxMove_MI_ARID
-body: |
-  bb.0:
-    MOV8pi  0,  $a0, 0, implicit-def $ccr
-    MOV32pi -1, $a1, 0, implicit-def $ccr
-    MOV32pi -1, $a1, 0, implicit-def $ccr
-
-...
---- # ARI
-#               ---------------------------+-----------+-----------+-----------
-#                F   E | D   C | B   A   9 | 8   7   6 | 5   4   3 | 2   1   0
-#               -------+-------+-----------+-----------+-----------+-----------
-#                      |       |      DESTINATION      |         SOURCE
-#                0   0 | SIZE  |    REG    |    MODE   |    MODE   |    REG
-#               -------+-------+-----------+-----------+-----------+-----------
-# MOV8JI-SAME:   0   0   0   1   0   0   0   0 . 1   0   1   1   1   1   0   0
-# MOV8JI-SAME:   0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# MOV32JI-SAME:  0   0   1   0   0   0   1   0 . 1   0   1   1   1   1   0   0
-# MOV32JI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32JI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-#               ---------------------------------------------------------------
-# MOV32JI-SAME:  0   0   1   0   0   0   1   0 . 1   0   1   1   1   1   0   0
-# MOV32JI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-# MOV32JI-SAME:  0   0   0   0   0   0   0   0 . 0   0   0   0   0   0   0   0
-name: MxMove_MI_ARI
-body: |
-  bb.0:
-    MOV8ji  $a0, 0, implicit-def $ccr
-    MOV32ji $a1, 0, implicit-def $ccr
-    MOV32ji $a1, 0, implicit-def $ccr
-
-...

diff  --git a/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMI.s b/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMI.s
new file mode 100644
index 0000000000000..88d44e2be02ac
--- /dev/null
+++ b/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMI.s
@@ -0,0 +1,41 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxBiArOp_FMI_ARII
+; CHECK-LABEL: MxBiArOp_FMI_ARII:
+MxBiArOp_FMI_ARII:
+	; CHECK:      add.b  #-1, (0,%a0,%d0)
+	; CHECK-SAME: encoding: [0x06,0x30,0x00,0xff,0x08,0x00]
+	add.b	#-1, (0,%a0,%d0)
+	; CHECK:      add.b  #0, (-1,%a3,%a1)
+	; CHECK-SAME: encoding: [0x06,0x33,0x00,0x00,0x98,0xff]
+	add.b	#0, (-1,%a3,%a1)
+	; CHECK:      add.l  #-1, (13,%a2,%d1)
+	; CHECK-SAME: encoding: [0x06,0xb2,0xff,0xff,0xff,0xff,0x18,0x0d]
+	add.l	#-1, (13,%a2,%d1)
+
+	.globl	MxBiArOp_FMI_ARID
+; CHECK-LABEL: MxBiArOp_FMI_ARID:
+MxBiArOp_FMI_ARID:
+	; CHECK:      add.b  #-1, (0,%a0)
+	; CHECK-SAME: encoding: [0x06,0x28,0x00,0xff,0x00,0x00]
+	add.b	#-1, (0,%a0)
+	; CHECK:      add.b  #0, (-1,%a3)
+	; CHECK-SAME: encoding: [0x06,0x2b,0x00,0x00,0xff,0xff]
+	add.b	#0, (-1,%a3)
+	; CHECK:      add.l  #-1, (13,%a2)
+	; CHECK-SAME: encoding: [0x06,0xaa,0xff,0xff,0xff,0xff,0x00,0x0d]
+	add.l	#-1, (13,%a2)
+
+	.globl	MxBiArOp_FMI_ARI
+; CHECK-LABEL: MxBiArOp_FMI_ARI:
+MxBiArOp_FMI_ARI:
+	; CHECK:      add.b  #-1, (%a0)
+	; CHECK-SAME: encoding: [0x06,0x10,0x00,0xff]
+	add.b	#-1, (%a0)
+	; CHECK:      add.b  #0, (%a3)
+	; CHECK-SAME: encoding: [0x06,0x13,0x00,0x00]
+	add.b	#0, (%a3)
+	; CHECK:      add.l  #-1, (%a2)
+	; CHECK-SAME: encoding: [0x06,0x92,0xff,0xff,0xff,0xff]
+	add.l	#-1, (%a2)
+

diff  --git a/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMR.s b/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMR.s
new file mode 100644
index 0000000000000..127807b95e273
--- /dev/null
+++ b/llvm/test/MC/M68k/Arith/Classes/MxBiArOp_FMR.s
@@ -0,0 +1,38 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxBiArOp_FMR_ARII
+; CHECK-LABEL: MxBiArOp_FMR_ARII:
+MxBiArOp_FMR_ARII:
+	; CHECK:      add.b  %d0, (0,%a0,%d1)
+	; CHECK-SAME: encoding: [0xd1,0x30,0x18,0x00]
+	add.b	%d0, (0,%a0,%d1)
+	; CHECK:      add.b  %d0, (-1,%a0,%d1)
+	; CHECK-SAME: encoding: [0xd1,0x30,0x18,0xff]
+	add.b	%d0, (-1,%a0,%d1)
+	; CHECK:      add.l  %d0, (0,%a1,%d1)
+	; CHECK-SAME: encoding: [0xd1,0xb1,0x18,0x00]
+	add.l	%d0, (0,%a1,%d1)
+	; CHECK:      add.l  %d1, (0,%a2,%a2)
+	; CHECK-SAME: encoding: [0xd3,0xb2,0xa8,0x00]
+	add.l	%d1, (0,%a2,%a2)
+
+	.globl	MxBiArOp_FMR_ARID
+; CHECK-LABEL: MxBiArOp_FMR_ARID:
+MxBiArOp_FMR_ARID:
+	; CHECK:      add.b  %d0, (0,%a0)
+	; CHECK-SAME: encoding: [0xd1,0x28,0x00,0x00]
+	add.b	%d0, (0,%a0)
+	; CHECK:      add.l  %d0, (-1,%a1)
+	; CHECK-SAME: encoding: [0xd1,0xa9,0xff,0xff]
+	add.l	%d0, (-1,%a1)
+
+	.globl	MxBiArOp_FMR_ARI
+; CHECK-LABEL: MxBiArOp_FMR_ARI:
+MxBiArOp_FMR_ARI:
+	; CHECK:      add.b  %d0, (%a0)
+	; CHECK-SAME: encoding: [0xd1,0x10]
+	add.b	%d0, (%a0)
+	; CHECK:      add.l  %d3, (%a1)
+	; CHECK-SAME: encoding: [0xd7,0x91]
+	add.l	%d3, (%a1)
+

diff  --git a/llvm/test/MC/M68k/Bits/Classes/MxBTST_MI.s b/llvm/test/MC/M68k/Bits/Classes/MxBTST_MI.s
new file mode 100644
index 0000000000000..462dbe731ebac
--- /dev/null
+++ b/llvm/test/MC/M68k/Bits/Classes/MxBTST_MI.s
@@ -0,0 +1,52 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxBTST_MI_PCI
+; CHECK-LABEL: MxBTST_MI_PCI:
+MxBTST_MI_PCI:
+	; CHECK:      btst  #0, (-1,%pc,%d1)
+	; CHECK-SAME: encoding: [0x08,0x3b,0x00,0x00,0x18,0xff]
+	btst	#0, (-1,%pc,%d1)
+	; CHECK:      btst  #1, (0,%pc,%d0)
+	; CHECK-SAME: encoding: [0x08,0x3b,0x00,0x01,0x08,0x00]
+	btst	#1, (0,%pc,%d0)
+
+	.globl	MxBTST_MI_PCD
+; CHECK-LABEL: MxBTST_MI_PCD:
+MxBTST_MI_PCD:
+	; CHECK:      btst  #0, (0,%pc)
+	; CHECK-SAME: encoding: [0x08,0x3a,0x00,0x00,0x00,0x00]
+	btst	#0, (0,%pc)
+	; CHECK:      btst  #-1, (-1,%pc)
+	; CHECK-SAME: encoding: [0x08,0x3a,0x00,0xff,0xff,0xff]
+	btst	#-1, (-1,%pc)
+
+	.globl	MxBTST_MI_ARII
+; CHECK-LABEL: MxBTST_MI_ARII:
+MxBTST_MI_ARII:
+	; CHECK:      btst  #0, (-1,%a1,%a0)
+	; CHECK-SAME: encoding: [0x08,0x31,0x00,0x00,0x88,0xff]
+	btst	#0, (-1,%a1,%a0)
+	; CHECK:      btst  #-1, (0,%a0,%a0)
+	; CHECK-SAME: encoding: [0x08,0x30,0x00,0xff,0x88,0x00]
+	btst	#-1, (0,%a0,%a0)
+
+	.globl	MxBTST_MI_ARID
+; CHECK-LABEL: MxBTST_MI_ARID:
+MxBTST_MI_ARID:
+	; CHECK:      btst  #0, (-1,%a1)
+	; CHECK-SAME: encoding: [0x08,0x29,0x00,0x00,0xff,0xff]
+	btst	#0, (-1,%a1)
+	; CHECK:      btst  #-1, (0,%a0)
+	; CHECK-SAME: encoding: [0x08,0x28,0x00,0xff,0x00,0x00]
+	btst	#-1, (0,%a0)
+
+	.globl	MxBTST_MI_ARI
+; CHECK-LABEL: MxBTST_MI_ARI:
+MxBTST_MI_ARI:
+	; CHECK:      btst  #0, (%a1)
+	; CHECK-SAME: encoding: [0x08,0x11,0x00,0x00]
+	btst	#0, (%a1)
+	; CHECK:      btst  #-1, (%a0)
+	; CHECK-SAME: encoding: [0x08,0x10,0x00,0xff]
+	btst	#-1, (%a0)
+

diff  --git a/llvm/test/MC/M68k/Bits/Classes/MxBTST_MR.s b/llvm/test/MC/M68k/Bits/Classes/MxBTST_MR.s
new file mode 100644
index 0000000000000..1aada1b31200a
--- /dev/null
+++ b/llvm/test/MC/M68k/Bits/Classes/MxBTST_MR.s
@@ -0,0 +1,52 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxBTST_MR_PCI
+; CHECK-LABEL: MxBTST_MR_PCI:
+MxBTST_MR_PCI:
+	; CHECK:      btst  %d0, (-1,%pc,%d1)
+	; CHECK-SAME: encoding: [0x01,0x3b,0x18,0xff]
+	btst	%d0, (-1,%pc,%d1)
+	; CHECK:      btst  %d1, (0,%pc,%d0)
+	; CHECK-SAME: encoding: [0x03,0x3b,0x08,0x00]
+	btst	%d1, (0,%pc,%d0)
+
+	.globl	MxBTST_MR_PCD
+; CHECK-LABEL: MxBTST_MR_PCD:
+MxBTST_MR_PCD:
+	; CHECK:      btst  %d0, (0,%pc)
+	; CHECK-SAME: encoding: [0x01,0x3a,0x00,0x00]
+	btst	%d0, (0,%pc)
+	; CHECK:      btst  %d1, (-1,%pc)
+	; CHECK-SAME: encoding: [0x03,0x3a,0xff,0xff]
+	btst	%d1, (-1,%pc)
+
+	.globl	MxBTST_MR_ARII
+; CHECK-LABEL: MxBTST_MR_ARII:
+MxBTST_MR_ARII:
+	; CHECK:      btst  %d0, (-1,%a1,%a0)
+	; CHECK-SAME: encoding: [0x01,0x31,0x88,0xff]
+	btst	%d0, (-1,%a1,%a0)
+	; CHECK:      btst  %d1, (0,%a0,%a0)
+	; CHECK-SAME: encoding: [0x03,0x30,0x88,0x00]
+	btst	%d1, (0,%a0,%a0)
+
+	.globl	MxBTST_MR_ARID
+; CHECK-LABEL: MxBTST_MR_ARID:
+MxBTST_MR_ARID:
+	; CHECK:      btst  %d0, (-1,%a1)
+	; CHECK-SAME: encoding: [0x01,0x29,0xff,0xff]
+	btst	%d0, (-1,%a1)
+	; CHECK:      btst  %d1, (0,%a0)
+	; CHECK-SAME: encoding: [0x03,0x28,0x00,0x00]
+	btst	%d1, (0,%a0)
+
+	.globl	MxBTST_MR_ARI
+; CHECK-LABEL: MxBTST_MR_ARI:
+MxBTST_MR_ARI:
+	; CHECK:      btst  %d0, (%a1)
+	; CHECK-SAME: encoding: [0x01,0x11]
+	btst	%d0, (%a1)
+	; CHECK:      btst  %d1, (%a0)
+	; CHECK-SAME: encoding: [0x03,0x10]
+	btst	%d1, (%a0)
+

diff  --git a/llvm/test/MC/M68k/Control/Classes/MxScc.s b/llvm/test/MC/M68k/Control/Classes/MxScc.s
new file mode 100644
index 0000000000000..d7ea0f8e2e243
--- /dev/null
+++ b/llvm/test/MC/M68k/Control/Classes/MxScc.s
@@ -0,0 +1,106 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxScc_D
+; CHECK-LABEL: MxScc_D:
+MxScc_D:
+	; CHECK:      st  %d0
+	; CHECK-SAME: encoding: [0x50,0xc0]
+	st	%d0
+	; CHECK:      sf  %d1
+	; CHECK-SAME: encoding: [0x51,0xc1]
+	sf	%d1
+	; CHECK:      shi  %d2
+	; CHECK-SAME: encoding: [0x52,0xc2]
+	shi	%d2
+	; CHECK:      sls  %d3
+	; CHECK-SAME: encoding: [0x53,0xc3]
+	sls	%d3
+	; CHECK:      scc  %d4
+	; CHECK-SAME: encoding: [0x54,0xc4]
+	scc	%d4
+	; CHECK:      scs  %d5
+	; CHECK-SAME: encoding: [0x55,0xc5]
+	scs	%d5
+	; CHECK:      sne  %d6
+	; CHECK-SAME: encoding: [0x56,0xc6]
+	sne	%d6
+	; CHECK:      seq  %d7
+	; CHECK-SAME: encoding: [0x57,0xc7]
+	seq	%d7
+	; CHECK:      svc  %d0
+	; CHECK-SAME: encoding: [0x58,0xc0]
+	svc	%d0
+	; CHECK:      svs  %d0
+	; CHECK-SAME: encoding: [0x59,0xc0]
+	svs	%d0
+	; CHECK:      spl  %d0
+	; CHECK-SAME: encoding: [0x5a,0xc0]
+	spl	%d0
+	; CHECK:      smi  %d0
+	; CHECK-SAME: encoding: [0x5b,0xc0]
+	smi	%d0
+	; CHECK:      sge  %d0
+	; CHECK-SAME: encoding: [0x5c,0xc0]
+	sge	%d0
+	; CHECK:      slt  %d0
+	; CHECK-SAME: encoding: [0x5d,0xc0]
+	slt	%d0
+	; CHECK:      sgt  %d0
+	; CHECK-SAME: encoding: [0x5e,0xc0]
+	sgt	%d0
+	; CHECK:      sle  %d0
+	; CHECK-SAME: encoding: [0x5f,0xc0]
+	sle	%d0
+
+	.globl	MxScc_ARID
+; CHECK-LABEL: MxScc_ARID:
+MxScc_ARID:
+	; CHECK:      st  (-1,%a0)
+	; CHECK-SAME: encoding: [0x50,0xe8,0xff,0xff]
+	st	(-1,%a0)
+	; CHECK:      sf  (42,%a1)
+	; CHECK-SAME: encoding: [0x51,0xe9,0x00,0x2a]
+	sf	(42,%a1)
+	; CHECK:      shi  (0,%a2)
+	; CHECK-SAME: encoding: [0x52,0xea,0x00,0x00]
+	shi	(0,%a2)
+	; CHECK:      sls  (0,%a3)
+	; CHECK-SAME: encoding: [0x53,0xeb,0x00,0x00]
+	sls	(0,%a3)
+	; CHECK:      scc  (0,%a4)
+	; CHECK-SAME: encoding: [0x54,0xec,0x00,0x00]
+	scc	(0,%a4)
+	; CHECK:      scs  (0,%a5)
+	; CHECK-SAME: encoding: [0x55,0xed,0x00,0x00]
+	scs	(0,%a5)
+	; CHECK:      sne  (0,%a6)
+	; CHECK-SAME: encoding: [0x56,0xee,0x00,0x00]
+	sne	(0,%a6)
+	; CHECK:      seq  (0,%a0)
+	; CHECK-SAME: encoding: [0x57,0xe8,0x00,0x00]
+	seq	(0,%a0)
+	; CHECK:      svc  (0,%a0)
+	; CHECK-SAME: encoding: [0x58,0xe8,0x00,0x00]
+	svc	(0,%a0)
+	; CHECK:      svs  (0,%a0)
+	; CHECK-SAME: encoding: [0x59,0xe8,0x00,0x00]
+	svs	(0,%a0)
+	; CHECK:      spl  (0,%a0)
+	; CHECK-SAME: encoding: [0x5a,0xe8,0x00,0x00]
+	spl	(0,%a0)
+	; CHECK:      smi  (0,%a0)
+	; CHECK-SAME: encoding: [0x5b,0xe8,0x00,0x00]
+	smi	(0,%a0)
+	; CHECK:      sge  (0,%a0)
+	; CHECK-SAME: encoding: [0x5c,0xe8,0x00,0x00]
+	sge	(0,%a0)
+	; CHECK:      slt  (0,%a0)
+	; CHECK-SAME: encoding: [0x5d,0xe8,0x00,0x00]
+	slt	(0,%a0)
+	; CHECK:      sgt  (0,%a0)
+	; CHECK-SAME: encoding: [0x5e,0xe8,0x00,0x00]
+	sgt	(0,%a0)
+	; CHECK:      sle  (0,%a0)
+	; CHECK-SAME: encoding: [0x5f,0xe8,0x00,0x00]
+	sle	(0,%a0)
+

diff  --git a/llvm/test/MC/M68k/Data/Classes/MxLEA.s b/llvm/test/MC/M68k/Data/Classes/MxLEA.s
new file mode 100644
index 0000000000000..ca4474ecb284d
--- /dev/null
+++ b/llvm/test/MC/M68k/Data/Classes/MxLEA.s
@@ -0,0 +1,32 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxLEA_PCD
+; CHECK-LABEL: MxLEA_PCD:
+MxLEA_PCD:
+	; CHECK:      lea  (0,%pc), %a0
+	; CHECK-SAME: encoding: [0x41,0xfa,0x00,0x00]
+	lea	(0,%pc), %a0
+	; CHECK:      lea  (-1,%pc), %a0
+	; CHECK-SAME: encoding: [0x41,0xfa,0xff,0xff]
+	lea	(-1,%pc), %a0
+
+	.globl	MxLEA_ARII
+; CHECK-LABEL: MxLEA_ARII:
+MxLEA_ARII:
+	; CHECK:      lea  (0,%a1,%d1), %a0
+	; CHECK-SAME: encoding: [0x41,0xf1,0x18,0x00]
+	lea	(0,%a1,%d1), %a0
+	; CHECK:      lea  (0,%a2,%a2), %a1
+	; CHECK-SAME: encoding: [0x43,0xf2,0xa8,0x00]
+	lea	(0,%a2,%a2), %a1
+
+	.globl	MxLEA_ARID
+; CHECK-LABEL: MxLEA_ARID:
+MxLEA_ARID:
+	; CHECK:      lea  (-1,%a1), %a0
+	; CHECK-SAME: encoding: [0x41,0xe9,0xff,0xff]
+	lea	(-1,%a1), %a0
+	; CHECK:      lea  (-1,%a1), %a0
+	; CHECK-SAME: encoding: [0x41,0xe9,0xff,0xff]
+	lea	(-1,%a1), %a0
+

diff  --git a/llvm/test/MC/M68k/Data/Classes/MxMove_MI.s b/llvm/test/MC/M68k/Data/Classes/MxMove_MI.s
new file mode 100644
index 0000000000000..cb0b40ef76e25
--- /dev/null
+++ b/llvm/test/MC/M68k/Data/Classes/MxMove_MI.s
@@ -0,0 +1,44 @@
+; RUN: llvm-mc -triple=m68k -show-encoding %s | FileCheck %s
+	.text
+	.globl	MxMove_MI_ARII
+; CHECK-LABEL: MxMove_MI_ARII:
+MxMove_MI_ARII:
+	; CHECK:      move.b  #-1, (0,%a0,%d1)
+	; CHECK-SAME: encoding: [0x11,0xbc,0x00,0xff,0x18,0x00]
+	move.b	#-1, (0,%a0,%d1)
+	; CHECK:      move.b  #42, (-1,%a0,%d1)
+	; CHECK-SAME: encoding: [0x11,0xbc,0x00,0x2a,0x18,0xff]
+	move.b	#42, (-1,%a0,%d1)
+	; CHECK:      move.l  #-1, (0,%a1,%d1)
+	; CHECK-SAME: encoding: [0x23,0xbc,0xff,0xff,0xff,0xff,0x18,0x00]
+	move.l	#-1, (0,%a1,%d1)
+	; CHECK:      move.l  #0, (0,%a2,%a2)
+	; CHECK-SAME: encoding: [0x25,0xbc,0x00,0x00,0x00,0x00,0xa8,0x00]
+	move.l	#0, (0,%a2,%a2)
+
+	.globl	MxMove_MI_ARID
+; CHECK-LABEL: MxMove_MI_ARID:
+MxMove_MI_ARID:
+	; CHECK:      move.b  #0, (0,%a0)
+	; CHECK-SAME: encoding: [0x11,0x7c,0x00,0x00,0x00,0x00]
+	move.b	#0, (0,%a0)
+	; CHECK:      move.l  #0, (-1,%a1)
+	; CHECK-SAME: encoding: [0x23,0x7c,0x00,0x00,0x00,0x00,0xff,0xff]
+	move.l	#0, (-1,%a1)
+	; CHECK:      move.l  #0, (-1,%a1)
+	; CHECK-SAME: encoding: [0x23,0x7c,0x00,0x00,0x00,0x00,0xff,0xff]
+	move.l	#0, (-1,%a1)
+
+	.globl	MxMove_MI_ARI
+; CHECK-LABEL: MxMove_MI_ARI:
+MxMove_MI_ARI:
+	; CHECK:      move.b  #0, (%a0)
+	; CHECK-SAME: encoding: [0x10,0xbc,0x00,0x00]
+	move.b	#0, (%a0)
+	; CHECK:      move.l  #0, (%a1)
+	; CHECK-SAME: encoding: [0x22,0xbc,0x00,0x00,0x00,0x00]
+	move.l	#0, (%a1)
+	; CHECK:      move.l  #0, (%a1)
+	; CHECK-SAME: encoding: [0x22,0xbc,0x00,0x00,0x00,0x00]
+	move.l	#0, (%a1)
+


        


More information about the llvm-commits mailing list