commit 67365119dd4a4caa894e5af5c148d98588161b44
author Nate Begeman <natebegeman@mac.com> Wed Feb 06 00:02:50 2008 +0000
committer Nate Begeman <natebegeman@mac.com> Wed Feb 06 00:02:50 2008 +0000
tree f09b2850e76c831f753532b1e77173eadf77aa6d
parent 634f363cbce0d1b2014fcae2bd595768cbaac21c

simple implementation of __builtin_alloca


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46783 91177308-0d34-0410-b5e6-96231b3b80d8

CodeGen/CGBuiltin.cpp

diff --git a/CodeGen/CGBuiltin.cpp b/CodeGen/CGBuiltin.cpp
index f3eef1f..996978e 100644
--- a/CodeGen/CGBuiltin.cpp
+++ b/CodeGen/CGBuiltin.cpp
@@ -205,6 +205,10 @@
     return RValue::get(Builder.CreateZExt(LHS, ConvertType(E->getType()),
                                           "tmp"));
   }
+  case Builtin::BI__builtin_alloca:
+    return RValue::get(Builder.CreateAlloca(llvm::Type::Int8Ty,
+                                            EmitScalarExpr(E->getArg(0)),
+                                            "tmp"));
   }
   return RValue::get(0);
 }