[llvm-commits] CVS: llvm/lib/VMCore/IntrinsicLowering.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

IntrinsicLowering.cpp updated: 1.15 -> 1.16

---
Log message:

Fix lowering to work correctly


---
Diffs of the changes:  (+12 -3)

Index: llvm/lib/VMCore/IntrinsicLowering.cpp
diff -u llvm/lib/VMCore/IntrinsicLowering.cpp:1.15 llvm/lib/VMCore/IntrinsicLowering.cpp:1.16
--- llvm/lib/VMCore/IntrinsicLowering.cpp:1.15	Thu Jun 10 21:29:43 2004
+++ llvm/lib/VMCore/IntrinsicLowering.cpp	Thu Jun 10 21:54:02 2004
@@ -69,7 +69,14 @@
 
   std::string Name = CI->getName(); CI->setName("");
   if (FT->getReturnType() == Type::VoidTy) Name.clear();
-  return new CallInst(FCache, Operands, Name, CI);
+  CallInst *NewCI = new CallInst(FCache, Operands, Name, CI);
+  if (!CI->use_empty()) {
+    Value *V = NewCI;
+    if (CI->getType() != NewCI->getType())
+      V = new CastInst(NewCI, CI->getType(), Name, CI);
+    CI->replaceAllUsesWith(V);
+  }
+  return NewCI;
 }
 
 void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
@@ -98,7 +105,9 @@
         EnsureFunctionExists(M, "memset", I->abegin(), --I->aend(),
                              I->abegin()->getType());
         break;
-
+      case Intrinsic::isnan:
+        EnsureFunctionExists(M, "isnan", I->abegin(), I->aend(), Type::BoolTy);
+        break;
       }
 
 }
@@ -196,7 +205,7 @@
     // multiple isnans for different FP arguments.
     static Function *isnanFCache = 0;
     ReplaceCallWith("isnan", CI, CI->op_begin()+1, CI->op_end(),
-                    (*(CI->op_begin()+1))->getType(), isnanFCache);
+                    Type::BoolTy, isnanFCache);
     break;
   }
   }