Revert 180817 because 180816 was reverted.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180823 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index bb2c300..6beba66 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -2511,6 +2511,22 @@
DBuilder.insertDeclare(Storage, D, Builder.GetInsertBlock());
Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope));
return;
+ } else if (isa<VariableArrayType>(VD->getType())) {
+ // These are "complex" variables in that they need an op_deref.
+ // Create the descriptor for the variable.
+ llvm::Value *Addr = llvm::ConstantInt::get(CGM.Int64Ty,
+ llvm::DIBuilder::OpDeref);
+ llvm::DIVariable D =
+ DBuilder.createComplexVariable(Tag,
+ llvm::DIDescriptor(Scope),
+ Name, Unit, Line, Ty,
+ Addr, ArgNo);
+
+ // Insert an llvm.dbg.declare into the current block.
+ llvm::Instruction *Call =
+ DBuilder.insertDeclare(Storage, D, Builder.GetInsertBlock());
+ Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope));
+ return;
}
} else if (const RecordType *RT = dyn_cast<RecordType>(VD->getType())) {
// If VD is an anonymous union then Storage represents value for
diff --git a/test/CodeGen/debug-info-vla.c b/test/CodeGen/debug-info-vla.c
index 2e173e4..20fb6aa 100644
--- a/test/CodeGen/debug-info-vla.c
+++ b/test/CodeGen/debug-info-vla.c
@@ -1,8 +1,9 @@
// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s
+// CHECK: metadata !{i32 {{.*}}, metadata {{.*}}, metadata !"vla", metadata {{.*}}, i32 7, metadata {{.*}}, i32 0, i32 0, i64 2} ; [ DW_TAG_auto_variable ]
+
void testVLAwithSize(int s)
{
-// CHECK: metadata !{i32 {{.*}}, metadata {{.*}}, metadata !"vla", metadata {{.*}}, i32 [[@LINE+1]], metadata {{.*}}, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [vla] [line [[@LINE+1]]]
int vla[s];
int i;
for (i = 0; i < s; i++) {