From 7bad4167654ef846155bae7165fd0ffcc24fcbbe Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Fri, 11 Oct 2013 19:56:11 -0400
Subject: have LLVM print type strings for us

Example:

    void ({ i64, %tydesc*, i8*, i8*, i8 }*, i64*, %"struct.std::fmt::Formatter[#1]"*)*

Before, we would print 20 levels deep due to recursion in the type
definition.
---
 src/rustllvm/RustWrapper.cpp | 7 +++++++
 src/rustllvm/rustllvm.def.in | 1 +
 2 files changed, 8 insertions(+)

(limited to 'src/rustllvm')

diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index 31a02dceb1c..f8d56f4e892 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -803,3 +803,10 @@ extern "C" void LLVMDICompositeTypeSetTypeArray(
 {
     unwrapDI<DICompositeType>(CompositeType).setTypeArray(unwrapDI<DIArray>(TypeArray));
 }
+
+extern "C" char *LLVMTypeToString(LLVMTypeRef Type) {
+    std::string s;
+    llvm::raw_string_ostream os(s);
+    unwrap<llvm::Type>(Type)->print(os);
+    return strdup(os.str().data());
+}
diff --git a/src/rustllvm/rustllvm.def.in b/src/rustllvm/rustllvm.def.in
index 0162857e44e..c1f1444fb4f 100644
--- a/src/rustllvm/rustllvm.def.in
+++ b/src/rustllvm/rustllvm.def.in
@@ -628,3 +628,4 @@ LLVMRustSetNormalizedTarget
 LLVMRustAddAlwaysInlinePass
 LLVMAddReturnAttribute
 LLVMRemoveReturnAttribute
+LLVMTypeToString
-- 
cgit 1.4.1-3-g733a5