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

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 2042c04609323d8cf2a9ce54f17f34d46dd1a2ad..6b9485c0b81dd11f278d628aedc9b9733cf3b864 100644 (file)
--- 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 af5ef537b536f808a441c94f06fba01301148330..bf66ade8f8b18c241663a16000fc7651222068fc 100644 (file)
--- 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 48acffd3a64e290b9031627ca8c8c6bbd30490d8..44ce649f94a7c91c525d56461ab0556b753419c2 100644 (file)
--- 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]>;