From 2261d78cd24d71101b0faa9efb1f4e868dce52e5 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Fri, 7 Oct 2016 00:30:49 +0000
Subject: [PATCH] Target: Remove unused patterns and transforms. NFC.

llvm-svn: 283515
---
 llvm/lib/Target/AMDGPU/AMDGPUInstructions.td |  13 ----
 llvm/lib/Target/AMDGPU/BUFInstructions.td    |   6 --
 llvm/lib/Target/AMDGPU/R600Instructions.td   |  14 ----
 llvm/lib/Target/Hexagon/HexagonOperands.td   | 108 ---------------------------
 llvm/lib/Target/Lanai/LanaiInstrInfo.td      |   3 -
 llvm/lib/Target/Mips/Mips64InstrInfo.td      |   5 --
 llvm/lib/Target/Mips/MipsInstrInfo.td        |   4 -
 llvm/lib/Target/Mips/MipsMSAInstrInfo.td     |   4 -
 llvm/lib/Target/NVPTX/NVPTXInstrInfo.td      |  15 ----
 llvm/lib/Target/PowerPC/PPCInstr64Bit.td     |  10 ---
 llvm/lib/Target/SystemZ/SystemZOperators.td  |   9 ---
 llvm/lib/Target/X86/X86InstrFragmentsSIMD.td |   4 -
 llvm/lib/Target/XCore/XCoreInstrInfo.td      |   8 --
 13 files changed, 203 deletions(-)

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
index 702335b..2fde58d 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
@@ -362,11 +362,6 @@ multiclass AtomicCmpSwapLocal <SDNode cmp_swap_node> {
 
 defm atomic_cmp_swap : AtomicCmpSwapLocal <atomic_cmp_swap>;
 
-def mskor_flat : PatFrag<(ops node:$val, node:$ptr),
-                            (AMDGPUstore_mskor node:$val, node:$ptr), [{
-  return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::FLAT_ADDRESS;
-}]>;
-
 class global_binary_atomic_op<SDNode atomic_op> : PatFrag<
   (ops node:$ptr, node:$value),
   (atomic_op node:$ptr, node:$value),
@@ -385,11 +380,6 @@ def atomic_umin_global : global_binary_atomic_op<atomic_load_umin>;
 def atomic_xor_global : global_binary_atomic_op<atomic_load_xor>;
 
 def atomic_cmp_swap_global : global_binary_atomic_op<AMDGPUatomic_cmp_swap>;
-def atomic_cmp_swap_global_nortn : PatFrag<
-  (ops node:$ptr, node:$value),
-  (atomic_cmp_swap_global node:$ptr, node:$value),
-  [{ return SDValue(N, 0).use_empty(); }]
->;
 
 //===----------------------------------------------------------------------===//
 // Misc Pattern Fragments
@@ -603,9 +593,6 @@ def sub_oneuse : HasOneUseBinOp<sub>;
 
 def select_oneuse : HasOneUseTernaryOp<select>;
 
-// 24-bit arithmetic patterns
-def umul24 : PatFrag <(ops node:$x, node:$y), (mul node:$x, node:$y)>;
-
 // Special conversion patterns
 
 def cvt_rpi_i32_f32 : PatFrag <
diff --git a/llvm/lib/Target/AMDGPU/BUFInstructions.td b/llvm/lib/Target/AMDGPU/BUFInstructions.td
index 01be18b..f375e7d 100644
--- a/llvm/lib/Target/AMDGPU/BUFInstructions.td
+++ b/llvm/lib/Target/AMDGPU/BUFInstructions.td
@@ -699,12 +699,6 @@ def BUFFER_WBINVL1_VOL : MUBUF_Invalidate <"buffer_wbinvl1_vol",
 // MUBUF Patterns
 //===----------------------------------------------------------------------===//
 
-def mubuf_vaddr_offset : PatFrag<
-  (ops node:$ptr, node:$offset, node:$imm_offset),
-  (add (add node:$ptr, node:$offset), node:$imm_offset)
->;
-
-
 let Predicates = [isGCN] in {
 
 // int_SI_vs_load_input
diff --git a/llvm/lib/Target/AMDGPU/R600Instructions.td b/llvm/lib/Target/AMDGPU/R600Instructions.td
index cf457bd..f843729 100644
--- a/llvm/lib/Target/AMDGPU/R600Instructions.td
+++ b/llvm/lib/Target/AMDGPU/R600Instructions.td
@@ -242,20 +242,6 @@ def TEX_SHADOW_ARRAY : PatLeaf<
   }]
 >;
 
-def TEX_MSAA : PatLeaf<
-  (imm),
-  [{uint32_t TType = (uint32_t)N->getZExtValue();
-    return TType == 14;
-  }]
->;
-
-def TEX_ARRAY_MSAA : PatLeaf<
-  (imm),
-  [{uint32_t TType = (uint32_t)N->getZExtValue();
-    return TType == 15;
-  }]
->;
-
 class EG_CF_RAT <bits <8> cfinst, bits <6> ratinst, bits<4> ratid, bits<4> mask,
                  dag outs, dag ins, string asm, list<dag> pattern> :
     InstR600ISA <outs, ins, asm, pattern>,
diff --git a/llvm/lib/Target/Hexagon/HexagonOperands.td b/llvm/lib/Target/Hexagon/HexagonOperands.td
index 11092d2..903e399 100644
--- a/llvm/lib/Target/Hexagon/HexagonOperands.td
+++ b/llvm/lib/Target/Hexagon/HexagonOperands.td
@@ -146,31 +146,6 @@ def s29_3ImmPred  : PatLeaf<(i32 imm), [{
   return isShiftedInt<29,3>(v);
 }]>;
 
-def s16ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isInt<16>(v);
-}]>;
-
-def s11_0ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isInt<11>(v);
-}]>;
-
-def s11_1ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedInt<11,1>(v);
-}]>;
-
-def s11_2ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedInt<11,2>(v);
-}]>;
-
-def s11_3ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedInt<11,3>(v);
-}]>;
-
 def s10ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isInt<10>(v);
@@ -211,66 +186,21 @@ def s4_3ImmPred  : PatLeaf<(i32 imm), [{
   return isShiftedInt<4,3>(v);
 }]>;
 
-def u64ImmPred  : PatLeaf<(i64 imm), [{
-  // Adding "N ||" to suppress gcc unused warning.
-  return (N || true);
-}]>;
-
 def u32ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isUInt<32>(v);
 }]>;
 
-def u32_0ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isUInt<32>(v);
-}]>;
-
-def u31_1ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<31,1>(v);
-}]>;
-
-def u30_2ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<30,2>(v);
-}]>;
-
-def u29_3ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<29,3>(v);
-}]>;
-
-def u26_6ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<26,6>(v);
-}]>;
-
 def u16_0ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isUInt<16>(v);
 }]>;
 
-def u16_1ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<16,1>(v);
-}]>;
-
-def u16_2ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<16,2>(v);
-}]>;
-
 def u11_3ImmPred : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isShiftedUInt<11,3>(v);
 }]>;
 
-def u10ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isUInt<10>(v);
-}]>;
-
 def u9ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isUInt<9>(v);
@@ -287,11 +217,6 @@ def u7StrictPosImmPred : ImmLeaf<i32, [{
   return isUInt<7>(Imm) && Imm > 0;
 }]>;
 
-def u7ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isUInt<7>(v);
-}]>;
-
 def u6ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isUInt<6>(v);
@@ -312,11 +237,6 @@ def u6_2ImmPred  : PatLeaf<(i32 imm), [{
   return isShiftedUInt<6,2>(v);
 }]>;
 
-def u6_3ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isShiftedUInt<6,3>(v);
-}]>;
-
 def u5ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   return isUInt<5>(v);
@@ -337,16 +257,6 @@ def u2ImmPred  : PatLeaf<(i32 imm), [{
   return isUInt<2>(v);
 }]>;
 
-def u1ImmPred  : PatLeaf<(i1 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isUInt<1>(v);
-}]>;
-
-def u1ImmPred32  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  return isUInt<1>(v);
-}]>;
-
 def m5ImmPred  : PatLeaf<(i32 imm), [{
   // m5ImmPred predicate - True if the number is in range -1 .. -31
   // and will fit in a 5 bit field when made positive, for use in memops.
@@ -460,15 +370,6 @@ def s4_7ImmPred  : PatLeaf<(i32 imm), [{
   return false;
 }]>;
 
-def s3_7ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  if (HST->hasV60TOps())
-    // Return true if the immediate can fit in a 9-bit sign extended field and
-    // is 128-byte aligned.
-    return isShiftedInt<3,7>(v);
-  return false;
-}]>;
-
 def s4_6ImmPred  : PatLeaf<(i32 imm), [{
   int64_t v = (int64_t)N->getSExtValue();
   if (HST->hasV60TOps())
@@ -478,15 +379,6 @@ def s4_6ImmPred  : PatLeaf<(i32 imm), [{
   return false;
 }]>;
 
-def s3_6ImmPred  : PatLeaf<(i32 imm), [{
-  int64_t v = (int64_t)N->getSExtValue();
-  if (HST->hasV60TOps())
-    // Return true if the immediate can fit in a 9-bit sign extended field and
-    // is 64-byte aligned.
-    return isShiftedInt<3,6>(v);
-  return false;
-}]>;
-
 
 // This complex pattern exists only to create a machine instruction operand
 // of type "frame index". There doesn't seem to be a way to do that directly
diff --git a/llvm/lib/Target/Lanai/LanaiInstrInfo.td b/llvm/lib/Target/Lanai/LanaiInstrInfo.td
index cd1abc1..02641ea 100644
--- a/llvm/lib/Target/Lanai/LanaiInstrInfo.td
+++ b/llvm/lib/Target/Lanai/LanaiInstrInfo.td
@@ -115,9 +115,6 @@ def imm10 : Operand<i32>, PatLeaf<(imm), [{
   let ParserMatchClass = Imm10AsmOperand;
 }
 
-def immZExt21 : PatLeaf<(imm),
-                        [{return isUInt<21>(N->getZExtValue()); }], LO21>;
-
 def LoImm16AsmOperand : AsmOperandClass { let Name = "LoImm16"; }
 def i32lo16z : Operand<i32>, PatLeaf<(i32 imm), [{
     // i32lo16 predicate - true if the 32-bit immediate has only rightmost 16
diff --git a/llvm/lib/Target/Mips/Mips64InstrInfo.td b/llvm/lib/Target/Mips/Mips64InstrInfo.td
index 1f52565..521e22f 100644
--- a/llvm/lib/Target/Mips/Mips64InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips64InstrInfo.td
@@ -15,11 +15,6 @@
 // Mips Operand, Complex Patterns and Transformations Definitions.
 //===----------------------------------------------------------------------===//
 
-// Transformation Function - get Imm - 32.
-def Subtract32 : SDNodeXForm<imm, [{
-  return getImm(N, (unsigned)N->getZExtValue() - 32);
-}]>;
-
 // shamt must fit in 6 bits.
 def immZExt6 : ImmLeaf<i32, [{return Imm == (Imm & 0x3f);}]>;
 
diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td
index 3f38854..bbb559d 100644
--- a/llvm/lib/Target/Mips/MipsInstrInfo.td
+++ b/llvm/lib/Target/Mips/MipsInstrInfo.td
@@ -1081,10 +1081,6 @@ def immSExt8  : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
 // e.g. addi, andi
 def immSExt16  : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
 
-// Node immediate fits as 15-bit sign extended on target immediate.
-// e.g. addi, andi
-def immSExt15  : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
-
 // Node immediate fits as 7-bit zero extended on target immediate.
 def immZExt7 : PatLeaf<(imm), [{ return isUInt<7>(N->getZExtValue()); }]>;
 
diff --git a/llvm/lib/Target/Mips/MipsMSAInstrInfo.td b/llvm/lib/Target/Mips/MipsMSAInstrInfo.td
index f21a274..92c05e8 100644
--- a/llvm/lib/Target/Mips/MipsMSAInstrInfo.td
+++ b/llvm/lib/Target/Mips/MipsMSAInstrInfo.td
@@ -389,10 +389,6 @@ def mulsub : PatFrag<(ops node:$wd, node:$ws, node:$wt),
 def mul_fexp2 : PatFrag<(ops node:$ws, node:$wt),
                         (fmul node:$ws, (fexp2 node:$wt))>;
 
-// Immediates
-def immSExt5 : ImmLeaf<i32, [{return isInt<5>(Imm);}]>;
-def immSExt10: ImmLeaf<i32, [{return isInt<10>(Imm);}]>;
-
 // Instruction encoding.
 class ADD_A_B_ENC : MSA_3R_FMT<0b000, 0b00, 0b010000>;
 class ADD_A_H_ENC : MSA_3R_FMT<0b000, 0b01, 0b010000>;
diff --git a/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td b/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
index a71c854..dee0eca 100644
--- a/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
+++ b/llvm/lib/Target/NVPTX/NVPTXInstrInfo.td
@@ -71,10 +71,6 @@ def CmpLT   : PatLeaf<(i32 2)>;
 def CmpLE   : PatLeaf<(i32 3)>;
 def CmpGT   : PatLeaf<(i32 4)>;
 def CmpGE   : PatLeaf<(i32 5)>;
-def CmpLO   : PatLeaf<(i32 6)>;
-def CmpLS   : PatLeaf<(i32 7)>;
-def CmpHI   : PatLeaf<(i32 8)>;
-def CmpHS   : PatLeaf<(i32 9)>;
 def CmpEQU  : PatLeaf<(i32 10)>;
 def CmpNEU  : PatLeaf<(i32 11)>;
 def CmpLTU  : PatLeaf<(i32 12)>;
@@ -90,10 +86,6 @@ def CmpLT_FTZ   : PatLeaf<(i32 0x102)>;
 def CmpLE_FTZ   : PatLeaf<(i32 0x103)>;
 def CmpGT_FTZ   : PatLeaf<(i32 0x104)>;
 def CmpGE_FTZ   : PatLeaf<(i32 0x105)>;
-def CmpLO_FTZ   : PatLeaf<(i32 0x106)>;
-def CmpLS_FTZ   : PatLeaf<(i32 0x107)>;
-def CmpHI_FTZ   : PatLeaf<(i32 0x108)>;
-def CmpHS_FTZ   : PatLeaf<(i32 0x109)>;
 def CmpEQU_FTZ  : PatLeaf<(i32 0x10A)>;
 def CmpNEU_FTZ  : PatLeaf<(i32 0x10B)>;
 def CmpLTU_FTZ  : PatLeaf<(i32 0x10C)>;
@@ -107,13 +99,6 @@ def CmpMode : Operand<i32> {
   let PrintMethod = "printCmpMode";
 }
 
-def F32ConstZero : Operand<f32>, PatLeaf<(f32 fpimm)>, SDNodeXForm<fpimm, [{
-    return CurDAG->getTargetConstantFP(0.0, MVT::f32);
-  }]>;
-def F32ConstOne : Operand<f32>, PatLeaf<(f32 fpimm)>, SDNodeXForm<fpimm, [{
-    return CurDAG->getTargetConstantFP(1.0, MVT::f32);
-  }]>;
-
 //===----------------------------------------------------------------------===//
 // NVPTX Instruction Predicate Definitions
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
index 5e514c8..03b2257 100644
--- a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -65,16 +65,6 @@ def SRL64 : SDNodeXForm<imm, [{
                            : getI32Imm(0, SDLoc(N));
 }]>;
 
-def HI32_48 : SDNodeXForm<imm, [{
-  // Transformation function: shift the immediate value down into the low bits.
-  return getI32Imm((unsigned short)(N->getZExtValue() >> 32, SDLoc(N)));
-}]>;
-
-def HI48_64 : SDNodeXForm<imm, [{
-  // Transformation function: shift the immediate value down into the low bits.
-  return getI32Imm((unsigned short)(N->getZExtValue() >> 48, SDLoc(N)));
-}]>;
-
 
 //===----------------------------------------------------------------------===//
 // Calls.
diff --git a/llvm/lib/Target/SystemZ/SystemZOperators.td b/llvm/lib/Target/SystemZ/SystemZOperators.td
index 0cf3fb6..948c64a 100644
--- a/llvm/lib/Target/SystemZ/SystemZOperators.td
+++ b/llvm/lib/Target/SystemZ/SystemZOperators.td
@@ -387,15 +387,6 @@ def zext8  : PatFrag<(ops node:$src), (and node:$src, 0xff)>;
 def zext16 : PatFrag<(ops node:$src), (and node:$src, 0xffff)>;
 def zext32 : PatFrag<(ops node:$src), (zext (i32 node:$src))>;
 
-// Match extensions of an i32 to an i64, followed by an AND of the low
-// i8 or i16 part.
-def zext8dbl : PatFrag<(ops node:$src), (zext8 (anyext node:$src))>;
-def zext16dbl : PatFrag<(ops node:$src), (zext16 (anyext node:$src))>;
-
-// Typed floating-point loads.
-def loadf32 : PatFrag<(ops node:$src), (f32 (load node:$src))>;
-def loadf64 : PatFrag<(ops node:$src), (f64 (load node:$src))>;
-
 // Extending loads in which the extension type can be signed.
 def asextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
   unsigned Type = cast<LoadSDNode>(N)->getExtensionType();
diff --git a/llvm/lib/Target/X86/X86InstrFragmentsSIMD.td b/llvm/lib/Target/X86/X86InstrFragmentsSIMD.td
index 744d0b3..bc9c7c2 100644
--- a/llvm/lib/Target/X86/X86InstrFragmentsSIMD.td
+++ b/llvm/lib/Target/X86/X86InstrFragmentsSIMD.td
@@ -29,7 +29,6 @@ def MMX_X86movw2d : SDNode<"X86ISD::MMX_MOVW2D", SDTypeProfile<1, 1,
 def load_mmx : PatFrag<(ops node:$ptr), (x86mmx (load node:$ptr))>;
 def load_mvmmx : PatFrag<(ops node:$ptr),
                          (x86mmx (MMX_X86movw2d (load node:$ptr)))>;
-def bc_mmx  : PatFrag<(ops node:$in), (x86mmx  (bitconvert node:$in))>;
 
 //===----------------------------------------------------------------------===//
 // SSE specific DAG Nodes.
@@ -704,9 +703,6 @@ def memop : PatFrag<(ops node:$ptr), (load node:$ptr), [{
          || cast<LoadSDNode>(N)->getAlignment() >= 16;
 }]>;
 
-def memopfsf32 : PatFrag<(ops node:$ptr), (f32   (memop node:$ptr))>;
-def memopfsf64 : PatFrag<(ops node:$ptr), (f64   (memop node:$ptr))>;
-
 // 128-bit memop pattern fragments
 // NOTE: all 128-bit integer vector loads are promoted to v2i64
 def memopv4f32 : PatFrag<(ops node:$ptr), (v4f32 (memop node:$ptr))>;
diff --git a/llvm/lib/Target/XCore/XCoreInstrInfo.td b/llvm/lib/Target/XCore/XCoreInstrInfo.td
index 8110b91..f1d52d5 100644
--- a/llvm/lib/Target/XCore/XCoreInstrInfo.td
+++ b/llvm/lib/Target/XCore/XCoreInstrInfo.td
@@ -146,18 +146,10 @@ def immU6 : PatLeaf<(imm), [{
   return (uint32_t)N->getZExtValue() < (1 << 6);
 }]>;
 
-def immU10 : PatLeaf<(imm), [{
-  return (uint32_t)N->getZExtValue() < (1 << 10);
-}]>;
-
 def immU16 : PatLeaf<(imm), [{
   return (uint32_t)N->getZExtValue() < (1 << 16);
 }]>;
 
-def immU20 : PatLeaf<(imm), [{
-  return (uint32_t)N->getZExtValue() < (1 << 20);
-}]>;
-
 def immMskBitp : PatLeaf<(imm), [{ return immMskBitp(N); }]>;
 
 def immBitp : PatLeaf<(imm), [{
-- 
2.7.4