From: Dan Gohman <gohman@apple.com>
Date: Fri, 30 Oct 2009 23:59:06 +0000 (+0000)
Subject: Add assertion checks here to turn silent miscompiles into aborts.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=1410b7620ac43f236c40d6b6d35034dd357866d4;p=oota-llvm.git

Add assertion checks here to turn silent miscompiles into aborts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85639 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/ScheduleDAGEmit.cpp b/lib/CodeGen/ScheduleDAGEmit.cpp
index 0d15c021412..8e034203f4d 100644
--- a/lib/CodeGen/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/ScheduleDAGEmit.cpp
@@ -50,8 +50,10 @@ void ScheduleDAG::EmitPhysRegCopy(SUnit *SU,
           break;
         }
       }
-      TII->copyRegToReg(*BB, InsertPos, Reg, VRI->second,
-                        SU->CopyDstRC, SU->CopySrcRC);
+      bool Success = TII->copyRegToReg(*BB, InsertPos, Reg, VRI->second,
+                                       SU->CopyDstRC, SU->CopySrcRC);
+      (void)Success;
+      assert(Success && "copyRegToReg failed!");
     } else {
       // Copy from physical register.
       assert(I->getReg() && "Unknown physical register!");
@@ -59,8 +61,10 @@ void ScheduleDAG::EmitPhysRegCopy(SUnit *SU,
       bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase)).second;
       isNew = isNew; // Silence compiler warning.
       assert(isNew && "Node emitted out of order - early");
-      TII->copyRegToReg(*BB, InsertPos, VRBase, I->getReg(),
-                        SU->CopyDstRC, SU->CopySrcRC);
+      bool Success = TII->copyRegToReg(*BB, InsertPos, VRBase, I->getReg(),
+                                       SU->CopyDstRC, SU->CopySrcRC);
+      (void)Success;
+      assert(Success && "copyRegToReg failed!");
     }
     break;
   }