From: Jim Grosbach <grosbach@apple.com>
Date: Thu, 9 Dec 2010 01:23:51 +0000 (+0000)
Subject: Add a textual message to the assert.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=766a63d20e89ad5a8b19aba2df0128c1f73174b3

Add a textual message to the assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121349 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 901a4ab7edd..09124e49078 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -720,7 +720,8 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   case ARM::t2ADDrSPi12:
   case ARM::t2SUBrSPi:
   case ARM::t2SUBrSPi12:
-    assert (MI->getOperand(1).getReg() == ARM::SP);
+    assert ((MI->getOperand(1).getReg() == ARM::SP) &&
+            "Unexpected source register!");
     break;
 
   case ARM::t2MOVi32imm: assert(0 && "Should be lowered by thumb2it pass");