Fix handling of __clock() builtin for "generic" targets.

2013-08-20 09:04:52 -07:00
parent d976da7559
commit e7f067d70c
7 changed files with 118 additions and 6 deletions
--- a/cbackend.cpp
+++ b/cbackend.cpp
@@ -3704,6 +3704,7 @@ void CWriter::lowerIntrinsics(llvm::Function &F) {
          case llvm::Intrinsic::sadd_with_overflow:
          case llvm::Intrinsic::trap:
          case llvm::Intrinsic::objectsize:
+          case llvm::Intrinsic::readcyclecounter:
              // We directly implement these intrinsics
            break;
          default:
@@ -4056,6 +4057,9 @@ bool CWriter::visitBuiltinCall(llvm::CallInst &I, llvm::Intrinsic::ID ID,
    return true;
  case llvm::Intrinsic::objectsize:
    return true;
+  case llvm::Intrinsic::readcyclecounter:
+    Out << "__clock()";
+    return true;
  }
 }