commit 745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bb
author Fariborz Jahanian <fjahanian@apple.com> Fri Sep 24 17:30:16 2010 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Fri Sep 24 17:30:16 2010 +0000
tree d2de835a949cf37da086500c49d5421662dea3c5
parent 51c7a789b17d708617946d5f9fde0a2e4feaefd1

Patch implements passing arrays to functions expecting
vla. Implements pr7827.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114737 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CodeGenFunction.cpp

diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index c2016e8..5e301b5 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -625,6 +625,9 @@
   EnsureInsertPoint();
 
   if (const VariableArrayType *VAT = getContext().getAsVariableArrayType(Ty)) {
+    // unknown size indication requires no size computation.
+    if (!VAT->getSizeExpr())
+      return 0;
     llvm::Value *&SizeEntry = VLASizeMap[VAT->getSizeExpr()];
 
     if (!SizeEntry) {