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authorNiko Matsakis <niko@alum.mit.edu>2011-10-07 10:59:19 -0700
committerBrian Anderson <banderson@mozilla.com>2011-10-12 16:33:06 -0700
commitc1cefa52d01bb9a1ff55e76da8320641040d79cc (patch)
tree8d688d7fd620b51c92764be507ec0911c1b641c0 /src
parent8ea1a8eef99f6662ac29c92e4dfad19a09a9f4ca (diff)
downloadrust-c1cefa52d01bb9a1ff55e76da8320641040d79cc.tar.gz
rust-c1cefa52d01bb9a1ff55e76da8320641040d79cc.zip
Add unsafe tags to usage of LLVM funcs
Diffstat (limited to 'src')
-rw-r--r--src/comp/middle/trans_common.rs12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/comp/middle/trans_common.rs b/src/comp/middle/trans_common.rs
index a2287c4c0fc..9e0f99685a5 100644
--- a/src/comp/middle/trans_common.rs
+++ b/src/comp/middle/trans_common.rs
@@ -428,11 +428,13 @@ fn val_str(tn: type_names, v: ValueRef) -> str { ret ty_str(tn, val_ty(v)); }
 
 // Returns the nth element of the given LLVM structure type.
 fn struct_elt(llstructty: TypeRef, n: uint) -> TypeRef {
-    let elt_count = llvm::LLVMCountStructElementTypes(llstructty);
-    assert (n < elt_count);
-    let elt_tys = std::vec::init_elt(T_nil(), elt_count);
-    llvm::LLVMGetStructElementTypes(llstructty, to_ptr(elt_tys));
-    ret llvm::LLVMGetElementType(elt_tys[n]);
+    unsafe {
+        let elt_count = llvm::LLVMCountStructElementTypes(llstructty);
+        assert (n < elt_count);
+        let elt_tys = std::vec::init_elt(T_nil(), elt_count);
+        llvm::LLVMGetStructElementTypes(llstructty, to_ptr(elt_tys));
+        ret llvm::LLVMGetElementType(elt_tys[n]);
+    }
 }
 
 fn find_scope_cx(cx: @block_ctxt) -> @block_ctxt {