#define LP_BLD_H
+/**
+ * @file
+ * LLVM IR building helpers interfaces.
+ *
+ * We use LLVM-C bindings for now. They are not documented, but follow the C++
+ * interfaces very closely, and appear to be complete enough for code
+ * genration. See
+ * http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
+ * for a standalone example.
+ */
+
#include <llvm-c/Core.h>
#ifndef HAVE_LLVM
#error "HAVE_LLVM should be set with LLVM's version number, e.g. (0x0207 for 2.7)"
#endif
+#if HAVE_LLVM < 0x303
+#error "LLVM 3.3 or newer required"
+#endif
+
+
+#if HAVE_LLVM <= 0x0303
+/* We won't actually use LLVMMCJITMemoryManagerRef, just create a dummy
+ * typedef to simplify things elsewhere.
+ */
+typedef void *LLVMMCJITMemoryManagerRef;
+#endif
+
+
+/**
+ * Redefine these LLVM entrypoints as invalid macros to make sure we
+ * don't accidentally use them. We need to use the functions which
+ * take an explicit LLVMContextRef parameter.
+ */
+#define LLVMInt1Type ILLEGAL_LLVM_FUNCTION
+#define LLVMInt8Type ILLEGAL_LLVM_FUNCTION
+#define LLVMInt16Type ILLEGAL_LLVM_FUNCTION
+#define LLVMInt32Type ILLEGAL_LLVM_FUNCTION
+#define LLVMInt64Type ILLEGAL_LLVM_FUNCTION
+#define LLVMIntType ILLEGAL_LLVM_FUNCTION
+#define LLVMFloatType ILLEGAL_LLVM_FUNCTION
+#define LLVMDoubleType ILLEGAL_LLVM_FUNCTION
+#define LLVMX86FP80Type ILLEGAL_LLVM_FUNCTION
+#define LLVMFP128Type ILLEGAL_LLVM_FUNCTION
+#define LLVMPPCFP128Type ILLEGAL_LLVM_FUNCTION
+#define LLVMStructType ILLEGAL_LLVM_FUNCTION
+#define LLVMVoidType ILLEGAL_LLVM_FUNCTION
+#define LLVMLabelType ILLEGAL_LLVM_FUNCTION
+#define LLVMOpaqueType ILLEGAL_LLVM_FUNCTION
+#define LLVMUnionType ILLEGAL_LLVM_FUNCTION
+#define LLVMMDString ILLEGAL_LLVM_FUNCTION
+#define LLVMMDNode ILLEGAL_LLVM_FUNCTION
+#define LLVMConstString ILLEGAL_LLVM_FUNCTION
+#define LLVMConstStruct ILLEGAL_LLVM_FUNCTION
+#define LLVMAppendBasicBlock ILLEGAL_LLVM_FUNCTION
+#define LLVMInsertBasicBlock ILLEGAL_LLVM_FUNCTION
+#define LLVMCreateBuilder ILLEGAL_LLVM_FUNCTION
+
+
+/*
+ * Before LLVM 3.4 LLVMSetAlignment only supported GlobalValue, not
+ * LoadInst/StoreInst as we need.
+ */
+#if HAVE_LLVM < 0x0304
+# ifdef __cplusplus
+ extern "C"
+# endif
+ void LLVMSetAlignmentBackport(LLVMValueRef V, unsigned Bytes);
+# define LLVMSetAlignment LLVMSetAlignmentBackport
+#endif
#endif /* LP_BLD_H */