nickdesaulniers created this revision.
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nickdesaulniers requested review of this revision.
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Add test case demonstrating issue.
Link: https://github.com/llvm/llvm-project/issues/62789
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D150891
Files:
clang/test/CodeGen/object-size.c
Index: clang/test/CodeGen/object-size.c
===================================================================
--- clang/test/CodeGen/object-size.c
+++ clang/test/CodeGen/object-size.c
@@ -525,6 +525,18 @@
gi = OBJECT_SIZE_BUILTIN(&dsv[9].snd[0], 1);
}
+// CHECK-LABEL: @test32
+static struct DynStructVar D = {
+ .fst = {},
+ .snd = { 0, 1, 2, },
+};
+unsigned long test32(void) {
+ // FIXME: GCC returns the sizeof the base type, plus the number of bytes from
+ // members of the initializer of the flexible array: 19.
+ // CHECK: ret i64 16
+ return __builtin_object_size(&D, 1);
+}
+
// CHECK-LABEL: @PR30346
void PR30346(void) {
struct sa_family_t {};
Index: clang/test/CodeGen/object-size.c
===================================================================
--- clang/test/CodeGen/object-size.c
+++ clang/test/CodeGen/object-size.c
@@ -525,6 +525,18 @@
gi = OBJECT_SIZE_BUILTIN(&dsv[9].snd[0], 1);
}
+// CHECK-LABEL: @test32
+static struct DynStructVar D = {
+ .fst = {},
+ .snd = { 0, 1, 2, },
+};
+unsigned long test32(void) {
+ // FIXME: GCC returns the sizeof the base type, plus the number of bytes from
+ // members of the initializer of the flexible array: 19.
+ // CHECK: ret i64 16
+ return __builtin_object_size(&D, 1);
+}
+
// CHECK-LABEL: @PR30346
void PR30346(void) {
struct sa_family_t {};
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