From cf246b7f0b9e23fab53572dbd814b361ace49d08 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Mon, 19 Jul 2010 06:14:49 +0000
Subject: [PATCH] X86: Mark MOV.*_{TC,NOREX} instruction as code gen only, they
 aren't real.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108680 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86Instr64bit.td | 2 ++
 lib/Target/X86/X86InstrInfo.td  | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index 42d0e7f9778..e5cc255e3dc 100644
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -374,6 +374,7 @@ def MOV64mi32 : RIi32<0xC7, MRM0m, (outs), (ins i64mem:$dst, i64i32imm:$src),
                       [(store i64immSExt32:$src, addr:$dst)]>;
 
 /// Versions of MOV64rr, MOV64rm, and MOV64mr for i64mem_TC and GR64_TC.
+let isCodeGenOnly = 1 in {
 let neverHasSideEffects = 1 in
 def MOV64rr_TC : RI<0x89, MRMDestReg, (outs GR64_TC:$dst), (ins GR64_TC:$src),
                 "mov{q}\t{$src, $dst|$dst, $src}", []>;
@@ -388,6 +389,7 @@ let mayStore = 1 in
 def MOV64mr_TC : RI<0x89, MRMDestMem, (outs), (ins i64mem_TC:$dst, GR64_TC:$src),
                 "mov{q}\t{$src, $dst|$dst, $src}",
                 []>;
+}
 
 def MOV64o8a : RIi8<0xA0, RawFrm, (outs), (ins offset8:$src),
                       "mov{q}\t{$src, %rax|%rax, $src}", []>;
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 092bb36f7a6..3f3ea6e554d 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1093,6 +1093,7 @@ def MOV32mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$src),
                 [(store GR32:$src, addr:$dst)]>;
 
 /// Versions of MOV32rr, MOV32rm, and MOV32mr for i32mem_TC and GR32_TC.
+let isCodeGenOnly = 1 in {
 let neverHasSideEffects = 1 in
 def MOV32rr_TC : I<0x89, MRMDestReg, (outs GR32_TC:$dst), (ins GR32_TC:$src),
                 "mov{l}\t{$src, $dst|$dst, $src}", []>;
@@ -1107,10 +1108,12 @@ let mayStore = 1 in
 def MOV32mr_TC : I<0x89, MRMDestMem, (outs), (ins i32mem_TC:$dst, GR32_TC:$src),
                 "mov{l}\t{$src, $dst|$dst, $src}",
                 []>;
+}
 
 // Versions of MOV8rr, MOV8mr, and MOV8rm that use i8mem_NOREX and GR8_NOREX so
 // that they can be used for copying and storing h registers, which can't be
 // encoded when a REX prefix is present.
+let isCodeGenOnly = 1 in {
 let neverHasSideEffects = 1 in
 def MOV8rr_NOREX : I<0x88, MRMDestReg,
                      (outs GR8_NOREX:$dst), (ins GR8_NOREX:$src),
@@ -1124,6 +1127,7 @@ let mayLoad = 1,
 def MOV8rm_NOREX : I<0x8A, MRMSrcMem,
                      (outs GR8_NOREX:$dst), (ins i8mem_NOREX:$src),
                      "mov{b}\t{$src, $dst|$dst, $src}  # NOREX", []>;
+}
 
 // Moves to and from debug registers
 def MOV32rd : I<0x21, MRMDestReg, (outs GR32:$dst), (ins DEBUG_REG:$src),
-- 
2.34.1