# HG changeset patch
# User Frits van Bommel <fvbommel wxs.nl>
# Date 1238290024 -7200
# Node ID c6f39553b7024f74ee7f39aa4455cf567ddcf124
# Parent  226c07c71967ce97067396c6df3b8fc442e1d416
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 :).

diff -r 226c07c71967 -r c6f39553b702 gen/toir.cpp
--- a/gen/toir.cpp	Sun Mar 29 01:29:30 2009 +0100
+++ b/gen/toir.cpp	Sun Mar 29 03:27:04 2009 +0200
@@ -611,9 +611,8 @@
     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());
                 }