From 7e99e31b9182f0da5b8dabd55fda96afb4c232c8 Mon Sep 17 00:00:00 2001
From: Frits van Bommel <fvbommel@wxs.nl>
Date: Sun, 29 Mar 2009 03:27:04 +0200
Subject: [PATCH] Clean up some suspicious code. There's no guarantee a
 constant of integer type is a ConstantInt, so it's not safe to just cast<>
 these to ConstantInt. (It could be a constant expression, for example)

The code is shorter this way too :).
---
 gen/toir.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/gen/toir.cpp b/gen/toir.cpp
index 5cd18f4f..80554be7 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -611,9 +611,8 @@ DValue* AddExp::toElem(IRState* p)
     if (e1type != e2type) {
         if (e1type->ty == Tpointer) {
             Logger::println("add to pointer");
-            if (r->isConst()) {
-                llvm::ConstantInt* cofs = llvm::cast<llvm::ConstantInt>(r->isConst()->c);
-                if (cofs->isZero()) {
+            if (DConstValue* cv = r->isConst()) {
+                if (cv->c->isNullValue()) {
                     Logger::println("is zero");
                     return new DImValue(type, l->getRVal());
                 }