Add intrinsics for log, log2, log10, exp, exp2.
No functional change (and no FE change to generate them).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55753 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 8b20052..1155add 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -3490,6 +3490,11 @@
   case ISD::FSQRT:
   case ISD::FSIN:
   case ISD::FCOS:
+  case ISD::FLOG:
+  case ISD::FLOG2:
+  case ISD::FLOG10:
+  case ISD::FEXP:
+  case ISD::FEXP2:
   case ISD::FTRUNC:
   case ISD::FFLOOR:
   case ISD::FCEIL:
@@ -3526,6 +3531,11 @@
         Result = DAG.getNode(ISD::SELECT, VT, Tmp2, Tmp1, Tmp3);
         break;
       }
+      case ISD::FLOG:
+      case ISD::FLOG2:
+      case ISD::FLOG10:
+      case ISD::FEXP:
+      case ISD::FEXP2:
       case ISD::FTRUNC:
       case ISD::FFLOOR:
       case ISD::FCEIL:
@@ -3556,6 +3566,26 @@
           LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
                             RTLIB::COS_F80, RTLIB::COS_PPCF128);
           break;
+        case ISD::FLOG:
+          LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64,
+                            RTLIB::LOG_F80, RTLIB::LOG_PPCF128);
+          break;
+        case ISD::FLOG2:
+          LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64,
+                            RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128);
+          break;
+        case ISD::FLOG10:
+          LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64,
+                            RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128);
+          break;
+        case ISD::FEXP:
+          LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64,
+                            RTLIB::EXP_F80, RTLIB::EXP_PPCF128);
+          break;
+        case ISD::FEXP2:
+          LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64,
+                            RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128);
+          break;
         case ISD::FTRUNC:
           LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64,
                             RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128);
@@ -4163,6 +4193,11 @@
     // precision, and these operations don't modify precision at all.
     break;
 
+  case ISD::FLOG:
+  case ISD::FLOG2:
+  case ISD::FLOG10:
+  case ISD::FEXP:
+  case ISD::FEXP2:
   case ISD::FSQRT:
   case ISD::FSIN:
   case ISD::FCOS:
@@ -6574,6 +6609,11 @@
                                         RTLIB::POWI_PPCF128),
                        Node, false, Hi);
     break;
+  case ISD::FLOG:
+  case ISD::FLOG2:
+  case ISD::FLOG10:
+  case ISD::FEXP:
+  case ISD::FEXP2:
   case ISD::FTRUNC:
   case ISD::FFLOOR:
   case ISD::FCEIL:
@@ -6596,6 +6636,26 @@
       LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
                         RTLIB::COS_F80, RTLIB::COS_PPCF128);
       break;
+    case ISD::FLOG:
+      LC = GetFPLibCall(VT, RTLIB::LOG_F32, RTLIB::LOG_F64,
+                        RTLIB::LOG_F80, RTLIB::LOG_PPCF128);
+      break;
+    case ISD::FLOG2:
+      LC = GetFPLibCall(VT, RTLIB::LOG2_F32, RTLIB::LOG2_F64,
+                        RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128);
+      break;
+    case ISD::FLOG10:
+      LC = GetFPLibCall(VT, RTLIB::LOG10_F32, RTLIB::LOG10_F64,
+                        RTLIB::LOG10_F80, RTLIB::LOG10_PPCF128);
+      break;
+    case ISD::FEXP:
+      LC = GetFPLibCall(VT, RTLIB::EXP_F32, RTLIB::EXP_F64,
+                        RTLIB::EXP_F80, RTLIB::EXP_PPCF128);
+      break;
+    case ISD::FEXP2:
+      LC = GetFPLibCall(VT, RTLIB::EXP2_F32, RTLIB::EXP2_F64,
+                        RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128);
+      break;
     case ISD::FTRUNC:
       LC = GetFPLibCall(VT, RTLIB::TRUNC_F32, RTLIB::TRUNC_F64,
                         RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128);
@@ -6966,6 +7026,11 @@
   case ISD::FSQRT:
   case ISD::FSIN:
   case ISD::FCOS:
+  case ISD::FLOG:
+  case ISD::FLOG2:
+  case ISD::FLOG10:
+  case ISD::FEXP:
+  case ISD::FEXP2:
   case ISD::FP_TO_SINT:
   case ISD::FP_TO_UINT:
   case ISD::SINT_TO_FP:
@@ -7102,6 +7167,11 @@
   case ISD::FSQRT:
   case ISD::FSIN:
   case ISD::FCOS:
+  case ISD::FLOG:
+  case ISD::FLOG2:
+  case ISD::FLOG10:
+  case ISD::FEXP:
+  case ISD::FEXP2:
   case ISD::FP_TO_SINT:
   case ISD::FP_TO_UINT:
   case ISD::SINT_TO_FP:
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 70bf549..e962368 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3015,6 +3015,31 @@
                              getValue(I.getOperand(1)).getValueType(),
                              getValue(I.getOperand(1))));
     return 0;
+  case Intrinsic::log:
+    setValue(&I, DAG.getNode(ISD::FLOG,
+                             getValue(I.getOperand(1)).getValueType(),
+                             getValue(I.getOperand(1))));
+    return 0;
+  case Intrinsic::log2:
+    setValue(&I, DAG.getNode(ISD::FLOG2,
+                             getValue(I.getOperand(1)).getValueType(),
+                             getValue(I.getOperand(1))));
+    return 0;
+  case Intrinsic::log10:
+    setValue(&I, DAG.getNode(ISD::FLOG10,
+                             getValue(I.getOperand(1)).getValueType(),
+                             getValue(I.getOperand(1))));
+    return 0;
+  case Intrinsic::exp:
+    setValue(&I, DAG.getNode(ISD::FEXP,
+                             getValue(I.getOperand(1)).getValueType(),
+                             getValue(I.getOperand(1))));
+    return 0;
+  case Intrinsic::exp2:
+    setValue(&I, DAG.getNode(ISD::FEXP2,
+                             getValue(I.getOperand(1)).getValueType(),
+                             getValue(I.getOperand(1))));
+    return 0;
   case Intrinsic::pow:
     setValue(&I, DAG.getNode(ISD::FPOW,
                              getValue(I.getOperand(1)).getValueType(),
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 6a2f91f..ff48ba2 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -83,6 +83,26 @@
   Names[RTLIB::SQRT_F64] = "sqrt";
   Names[RTLIB::SQRT_F80] = "sqrtl";
   Names[RTLIB::SQRT_PPCF128] = "sqrtl";
+  Names[RTLIB::LOG_F32] = "logf";
+  Names[RTLIB::LOG_F64] = "log";
+  Names[RTLIB::LOG_F80] = "logl";
+  Names[RTLIB::LOG_PPCF128] = "logl";
+  Names[RTLIB::LOG2_F32] = "log2f";
+  Names[RTLIB::LOG2_F64] = "log2";
+  Names[RTLIB::LOG2_F80] = "log2l";
+  Names[RTLIB::LOG2_PPCF128] = "log2l";
+  Names[RTLIB::LOG10_F32] = "log10f";
+  Names[RTLIB::LOG10_F64] = "log10";
+  Names[RTLIB::LOG10_F80] = "log10l";
+  Names[RTLIB::LOG10_PPCF128] = "log10l";
+  Names[RTLIB::EXP_F32] = "expf";
+  Names[RTLIB::EXP_F64] = "exp";
+  Names[RTLIB::EXP_F80] = "expl";
+  Names[RTLIB::EXP_PPCF128] = "expl";
+  Names[RTLIB::EXP2_F32] = "exp2f";
+  Names[RTLIB::EXP2_F64] = "exp2";
+  Names[RTLIB::EXP2_F80] = "exp2l";
+  Names[RTLIB::EXP2_PPCF128] = "exp2l";
   Names[RTLIB::SIN_F32] = "sinf";
   Names[RTLIB::SIN_F64] = "sin";
   Names[RTLIB::SIN_F80] = "sinl";