[llvm-commits] [llvm] r55845 - in /llvm/trunk/lib/CodeGen/SelectionDAG: SelectionDAGBuild.cpp SelectionDAGBuild.h

[Dale Johannesen]

Author: johannes
Date: Fri Sep  5 13:38:42 2008
New Revision: 55845

URL: http://llvm.org/viewvc/llvm-project?rev=55845&view=rev
Log:
Add hooks for other intrinsics to get low-precision expansions.


Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp?rev=55845&r1=55844&r2=55845&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp Fri Sep  5 13:38:42 2008
@@ -2753,6 +2753,58 @@
   return 0;
 }
 
+/// visitExp - lower an exp intrinsic.  Handles the special sequences
+/// for limited-precision mode.
+
+void
+SelectionDAGLowering::visitExp(CallInst &I) {
+  SDValue result;
+  // No special expansion.
+  result = DAG.getNode(ISD::FEXP,
+                       getValue(I.getOperand(1)).getValueType(),
+                       getValue(I.getOperand(1)));
+  setValue(&I, result);
+}
+
+/// visitLog - lower a log intrinsic.  Handles the special sequences
+/// for limited-precision mode.
+
+void
+SelectionDAGLowering::visitLog(CallInst &I) {
+  SDValue result;
+  // No special expansion.
+  result = DAG.getNode(ISD::FLOG,
+                       getValue(I.getOperand(1)).getValueType(),
+                       getValue(I.getOperand(1)));
+  setValue(&I, result);
+}
+
+/// visitLog2 - lower a log2 intrinsic.  Handles the special sequences
+/// for limited-precision mode.
+
+void
+SelectionDAGLowering::visitLog2(CallInst &I) {
+  SDValue result;
+  // No special expansion.
+  result = DAG.getNode(ISD::FLOG2,
+                       getValue(I.getOperand(1)).getValueType(),
+                       getValue(I.getOperand(1)));
+  setValue(&I, result);
+}
+
+/// visitLog10 - lower a log10 intrinsic.  Handles the special sequences
+/// for limited-precision mode.
+
+void
+SelectionDAGLowering::visitLog10(CallInst &I) {
+  SDValue result;
+  // No special expansion.
+  result = DAG.getNode(ISD::FLOG10,
+                       getValue(I.getOperand(1)).getValueType(),
+                       getValue(I.getOperand(1)));
+  setValue(&I, result);
+}
+
 /// visitExp2 - lower an exp2 intrinsic.  Handles the special sequences
 /// for limited-precision mode.
 
@@ -3071,24 +3123,16 @@
                              getValue(I.getOperand(1))));
     return 0;
   case Intrinsic::log:
-    setValue(&I, DAG.getNode(ISD::FLOG,
-                             getValue(I.getOperand(1)).getValueType(),
-                             getValue(I.getOperand(1))));
+    visitLog(I);
     return 0;
   case Intrinsic::log2:
-    setValue(&I, DAG.getNode(ISD::FLOG2,
-                             getValue(I.getOperand(1)).getValueType(),
-                             getValue(I.getOperand(1))));
+    visitLog2(I);
     return 0;
   case Intrinsic::log10:
-    setValue(&I, DAG.getNode(ISD::FLOG10,
-                             getValue(I.getOperand(1)).getValueType(),
-                             getValue(I.getOperand(1))));
+    visitLog10(I);
     return 0;
   case Intrinsic::exp:
-    setValue(&I, DAG.getNode(ISD::FEXP,
-                             getValue(I.getOperand(1)).getValueType(),
-                             getValue(I.getOperand(1))));
+    visitExp(I);
     return 0;
   case Intrinsic::exp2:
     visitExp2(I);

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h?rev=55845&r1=55844&r2=55845&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h Fri Sep  5 13:38:42 2008
@@ -506,6 +506,10 @@
   void visitTargetIntrinsic(CallInst &I, unsigned Intrinsic);
 
   void visitExp2(CallInst &I);
+  void visitExp(CallInst &I);
+  void visitLog(CallInst &I);
+  void visitLog2(CallInst &I);
+  void visitLog10(CallInst &I);
 
   void visitVAStart(CallInst &I);
   void visitVAArg(VAArgInst &I);