[llvm-commits] CVS: llvm/lib/AsmParser/llvmAsmParser.y

[Reid Spencer]

Changes in directory llvm/lib/AsmParser:

llvmAsmParser.y updated: 1.339 -> 1.340
---
Log message:

For PR1328: http://llvm.org/PR1328 :
Use the new parameter on Function::getIntrinsicID to identify cases where
a function is being called with an "llvm." name but it isn't actually an
intrinsic. In such cases generate an error.


---
Diffs of the changes:  (+8 -0)

 llvmAsmParser.y |    8 ++++++++
 1 files changed, 8 insertions(+)


Index: llvm/lib/AsmParser/llvmAsmParser.y
diff -u llvm/lib/AsmParser/llvmAsmParser.y:1.339 llvm/lib/AsmParser/llvmAsmParser.y:1.340
--- llvm/lib/AsmParser/llvmAsmParser.y:1.339	Thu Apr 12 13:32:50 2007
+++ llvm/lib/AsmParser/llvmAsmParser.y	Mon Apr 16 01:55:42 2007
@@ -2821,6 +2821,14 @@
     Value *V = getVal(PFTy, $4);   // Get the function we're calling...
     CHECK_FOR_ERROR
 
+    // Check for call to invalid intrinsic to avoid crashing later.
+    if (Function *theF = dyn_cast<Function>(V)) {
+      if (theF->hasName() && 0 == strncmp(theF->getName().c_str(), "llvm.", 5)&&
+        !theF->getIntrinsicID(true))
+        GEN_ERROR("Call to invalid LLVM intrinsic function '" +
+                  theF->getName() + "'");
+    }
+
     // Check the arguments 
     ValueList Args;
     if ($6->empty()) {                                   // Has no arguments?