From: Chris Lattner <sabre@nondot.org>
Date: Thu, 14 Oct 2010 00:30:00 +0000 (+0000)
Subject: fix a bug I introduced, no idea how this didn't repro right.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a5bbde8efd9710e5daecee69ff48722e637a35b7;p=oota-llvm.git

fix a bug I introduced, no idea how this didn't repro right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116462 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 3807314bac4..88f9ac63f7e 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2067,8 +2067,8 @@ APInt APInt::ssub_ov(const APInt &RHS, bool &Overflow) const {
 }
 
 APInt APInt::usub_ov(const APInt &RHS, bool &Overflow) const {
-  APInt Res = *this+RHS;
-  Overflow = Res.ugt(RHS);
+  APInt Res = *this-RHS;
+  Overflow = Res.ugt(*this);
   return Res;
 }
 
diff --git a/test/Transforms/ConstProp/overflow-ops.ll b/test/Transforms/ConstProp/overflow-ops.ll
index 50dc20566de..5587e9b6233 100644
--- a/test/Transforms/ConstProp/overflow-ops.ll
+++ b/test/Transforms/ConstProp/overflow-ops.ll
@@ -1,5 +1,4 @@
-; RUN: true
-; opt < %s -constprop -S | FileCheck %s
+; RUN: opt < %s -constprop -S | FileCheck %s
 
 %i8i1 = type {i8, i1}