Make sure to emit the size expression for sizeof(type)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 4984d0d..d829fac 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -663,8 +663,13 @@
if (const VariableArrayType *VAT =
CGF.getContext().getAsVariableArrayType(TypeToSize)) {
- if (E->isSizeOf())
+ if (E->isSizeOf()) {
+ if (E->isArgumentType()) {
+ // sizeof(type) - make sure to emit the VLA size.
+ CGF.EmitVLASize(TypeToSize);
+ }
return CGF.GetVLASize(VAT);
+ }
// FIXME: This should be an UNSUPPORTED error.
assert(0 && "alignof VLAs not implemented yet");
}
diff --git a/test/CodeGen/vla.c b/test/CodeGen/vla.c
index a584020..0881520 100644
--- a/test/CodeGen/vla.c
+++ b/test/CodeGen/vla.c
@@ -8,3 +8,8 @@
arry[0] = 10;
b(arry);
}
+
+void b(int n)
+{
+ sizeof(int[n]);
+}