Use external layout information to layout bit-fields for MS ABI.
Patch by Aleksandr Urakov!
Differential Revision: https://reviews.llvm.org/D49227
llvm-svn: 337047
diff --git a/clang/test/CodeGenCXX/override-bit-field-layout.cpp b/clang/test/CodeGenCXX/override-bit-field-layout.cpp
new file mode 100644
index 0000000..e84fcb0
--- /dev/null
+++ b/clang/test/CodeGenCXX/override-bit-field-layout.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -w -fdump-record-layouts-simple -foverride-record-layout=%S/Inputs/override-bit-field-layout.layout %s | FileCheck %s
+
+// CHECK: Type: struct S1
+// CHECK: FieldOffsets: [0, 11]
+struct S1 {
+ short a : 3;
+ short b : 5;
+};
+
+// CHECK: Type: struct S2
+// CHECK: FieldOffsets: [64]
+struct S2 {
+ virtual ~S2() = default;
+ short a : 3;
+};
+
+void use_structs() {
+ S1 s1s[sizeof(S1)];
+ S2 s2s[sizeof(S2)];
+}