From: Chris Lattner <sabre@nondot.org>
Date: Tue, 31 Oct 2006 07:33:13 +0000 (+0000)
Subject: Turn an assert into an error message.  This is commonly triggered when
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d03f1581c8a854fdbe4f5a738e9322341c2bc77f;p=oota-llvm.git

Turn an assert into an error message.  This is commonly triggered when
we don't support a specific constraint yet.  When this happens, print the
unsupported constraint.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31310 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 6a2a8e79c1b..374f5673094 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -2417,7 +2417,11 @@ void SelectionDAGLowering::visitInlineAsm(CallInst &I) {
         GetRegistersForValue(ConstraintCode, ConstraintVTs[i],
                              true, UsesInputRegister, 
                              OutputRegs, InputRegs);
-      assert(!Regs.Regs.empty() && "Couldn't allocate output reg!");
+      if (Regs.Regs.empty()) {
+        std::cerr << "Couldn't allocate output reg for contraint '"
+                  << ConstraintCode << "'!\n";
+        exit(1);
+      }
 
       if (!Constraints[i].isIndirectOutput) {
         assert(RetValRegs.Regs.empty() &&