From 761bf235a846d784ddf55a192504ee133b3eba58 Mon Sep 17 00:00:00 2001
From: Tim Northover <tnorthover@apple.com>
Date: Mon, 25 Nov 2013 14:40:57 +0000
Subject: [PATCH] ARM: remove unused patterns.
There is no sane way for an LEApcrel (= single ADR) instruction to generate a
global address on any ARM target I know of. Fortunately, no-one was trying to
any more, but there were vestigial patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195644 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/ARM/ARMInstrInfo.td | 2 --
lib/Target/ARM/ARMInstrThumb.td | 3 +--
lib/Target/ARM/ARMInstrThumb2.td | 2 --
3 files changed, 1 insertion(+), 6 deletions(-)
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 2042c046093..6b9485c0b81 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -5206,8 +5206,6 @@ def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
} // isReMaterializable
// ConstantPool, GlobalAddress, and JumpTable
-def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
- Requires<[IsARM, DontUseMovt]>;
def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
Requires<[IsARM, UseMovt]>;
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index af5ef537b53..bf66ade8f8b 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -1306,8 +1306,7 @@ def : T1Pat<(addc tGPR:$lhs, imm8_255_neg:$rhs),
def : T1Pat<(subc tGPR:$lhs, tGPR:$rhs),
(tSUBrr tGPR:$lhs, tGPR:$rhs)>;
-// ConstantPool, GlobalAddress
-def : T1Pat<(ARMWrapper tglobaladdr :$dst), (tLEApcrel tglobaladdr :$dst)>;
+// ConstantPool
def : T1Pat<(ARMWrapper tconstpool :$dst), (tLEApcrel tconstpool :$dst)>;
// JumpTable
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 48acffd3a64..44ce649f94a 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -3800,8 +3800,6 @@ def t2MOV_ga_dyn : PseudoInst<(outs rGPR:$dst), (ins i32imm:$addr),
}
// ConstantPool, GlobalAddress, and JumpTable
-def : T2Pat<(ARMWrapper tglobaladdr :$dst), (t2LEApcrel tglobaladdr :$dst)>,
- Requires<[IsThumb2, DontUseMovt]>;
def : T2Pat<(ARMWrapper tconstpool :$dst), (t2LEApcrel tconstpool :$dst)>;
def : T2Pat<(ARMWrapper tglobaladdr :$dst), (t2MOVi32imm tglobaladdr :$dst)>,
Requires<[IsThumb2, UseMovt]>;