[llvm] [X86] Remove obsolete tablegen rules for near data in small static code model (PR #84523)

[Arthur Eubanks via llvm-commits]

https://github.com/aeubanks created https://github.com/llvm/llvm-project/pull/84523

These should be already handled by other code.

Removing the kernel code model rules right above it cause bss_pagealigned.ll to fail by using a movabsq to get the address of a global, haven't figured out where that code is yet.

>From fd2792105bc43c12e5923369a22d01d56f8e3c23 Mon Sep 17 00:00:00 2001
From: Arthur Eubanks <aeubanks at google.com>
Date: Fri, 8 Mar 2024 17:43:11 +0000
Subject: [PATCH] [X86] Remove obsolete tablegen rules for near data in small
 static code model

These should be already handled by other code.

Removing the kernel code model rules right above it cause
bss_pagealigned.ll to fail by using a movabsq to get the address of a
global, haven't figured out where that code is yet.
---
 llvm/lib/Target/X86/X86InstrCompiler.td | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td
index f393f86e64aadd..ba8168042e0e98 100644
--- a/llvm/lib/Target/X86/X86InstrCompiler.td
+++ b/llvm/lib/Target/X86/X86InstrCompiler.td
@@ -1237,28 +1237,6 @@ def : Pat<(i64 (X86Wrapper mcsym:$dst)),
 def : Pat<(i64 (X86Wrapper tblockaddress:$dst)),
           (MOV64ri32 tblockaddress:$dst)>, Requires<[KernelCode]>;
 
-// If we have small model and -static mode, it is safe to store global addresses
-// directly as immediates.  FIXME: This is really a hack, the 'imm' predicate
-// for MOV64mi32 should handle this sort of thing.
-def : Pat<(store (i64 (X86Wrapper tconstpool:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, tconstpool:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-def : Pat<(store (i64 (X86Wrapper tjumptable:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, tjumptable:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-def : Pat<(store (i64 (X86Wrapper tglobaladdr:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, tglobaladdr:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-def : Pat<(store (i64 (X86Wrapper texternalsym:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, texternalsym:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-def : Pat<(store (i64 (X86Wrapper mcsym:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, mcsym:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-def : Pat<(store (i64 (X86Wrapper tblockaddress:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, tblockaddress:$src)>,
-          Requires<[NearData, IsNotPIC]>;
-
 def : Pat<(i32 (X86RecoverFrameAlloc mcsym:$dst)), (MOV32ri mcsym:$dst)>;
 def : Pat<(i64 (X86RecoverFrameAlloc mcsym:$dst)), (MOV64ri mcsym:$dst)>;