From 14c4c1ec0eca7f2f91957571288b4d918ed8c394 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 12 Feb 2009 17:23:20 +0000
Subject: [PATCH] make fast isel fall back to selectiondags for VLA
 llvm.declare intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64379 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/FastISel.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 04e97212ddf..fb3d101f122 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -388,11 +388,11 @@ bool FastISel::SelectCall(User *I) {
       if (BitCastInst *BCI = dyn_cast<BitCastInst>(Address))
         Address = BCI->getOperand(0);
       AllocaInst *AI = dyn_cast<AllocaInst>(Address);
-      // Don't handle byval struct arguments, for example.
+      // Don't handle byval struct arguments or VLAs, for example.
       if (!AI) break;
       DenseMap<const AllocaInst*, int>::iterator SI =
         StaticAllocaMap.find(AI);
-      assert(SI != StaticAllocaMap.end() && "Invalid dbg.declare!");
+      if (SI == StaticAllocaMap.end()) break; // VLAs.
       int FI = SI->second;
 
       // Determine the debug globalvariable.