[llvm] r302137 - [ArgPromotion] Fix a truncated variable

[Martin Storsjo via llvm-commits]

Author: mstorsjo
Date: Thu May  4 05:54:35 2017
New Revision: 302137

URL: http://llvm.org/viewvc/llvm-project?rev=302137&view=rev
Log:
[ArgPromotion] Fix a truncated variable

This fixes a regression since SVN rev 273808 (which was supposed to
not change functionality).

The regression caused miscompilations (noted in the wild when targeting
AArch64) on platforms with 32 bit long.

Differential Revision: https://reviews.llvm.org/D32850

Modified:
    llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp

Modified: llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp?rev=302137&r1=302136&r2=302137&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp Thu May  4 05:54:35 2017
@@ -247,7 +247,7 @@ doPromotion(Function *F, SmallPtrSetImpl
           if (!ArgIndex.second.empty()) {
             Ops.reserve(ArgIndex.second.size());
             Type *ElTy = V->getType();
-            for (unsigned long II : ArgIndex.second) {
+            for (auto II : ArgIndex.second) {
               // Use i32 to index structs, and i64 for others (pointers/arrays).
               // This satisfies GEP constraints.
               Type *IdxTy =