[PATCH] D102715: [AIX] Fix LIT failure on native aix

[Xiangling Liao via Phabricator via cfe-commits]

Xiangling_L updated this revision to Diff 346462.
Xiangling_L added a comment.

Adjusted the testcase so that it also tests the property well on aix;


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102715/new/

https://reviews.llvm.org/D102715

Files:
  clang/test/Sema/struct-packed-align.c


Index: clang/test/Sema/struct-packed-align.c
===================================================================
--- clang/test/Sema/struct-packed-align.c
+++ clang/test/Sema/struct-packed-align.c
@@ -146,18 +146,17 @@
 // GCC 4.4 but the change can lead to differences in the structure layout.
 // See the documentation of -Wpacked-bitfield-compat for more information.
 struct packed_chars {
-  char a:4;
+  char a : 8, b : 8, c : 8, d : 4;
 #ifdef __ORBIS__
   // Test for pre-r254596 clang behavior on the PS4 target. PS4 must maintain
   // ABI backwards compatibility.
-  char b:8 __attribute__ ((packed));
+  char e : 8 __attribute__((packed));
   // expected-warning at -1 {{'packed' attribute ignored for field of type 'char'}}
-  char c:4;
 #else
-  char b:8 __attribute__ ((packed));
+  char e : 8 __attribute__((packed));
   // expected-warning at -1 {{'packed' attribute was ignored on bit-fields with single-byte alignment in older versions of GCC and Clang}}
-  char c:4;
 #endif
+  char f : 4, g : 8, h : 8, i : 8;
 };
 
 #if (defined(_WIN32) || defined(__ORBIS__)) && !defined(__declspec) // _MSC_VER is unavailable in cc1.
@@ -165,9 +164,14 @@
 //
 // Additionally, test for pre-r254596 clang behavior on the PS4 target. PS4
 // must maintain ABI backwards compatibility.
-extern int o1[sizeof(struct packed_chars) == 3 ? 1 : -1];
+extern int o1[sizeof(struct packed_chars) == 9 ? 1 : -1];
 extern int o2[__alignof(struct packed_chars) == 1 ? 1 : -1];
+#elif defined(_AIX)
+// On AIX, [bool, char, short] bitfields have the same alignment as unsigned
+// int.
+extern int o1[sizeof(struct packed_chars) == 8 ? 1 : -1];
+extern int o2[__alignof(struct packed_chars) == 4 ? 1 : -1];
 #else
-extern int o1[sizeof(struct packed_chars) == 2 ? 1 : -1];
+extern int o1[sizeof(struct packed_chars) == 8 ? 1 : -1];
 extern int o2[__alignof(struct packed_chars) == 1 ? 1 : -1];
 #endif


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D102715.346462.patch
Type: text/x-patch
Size: 1888 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20210519/1feb9058/attachment.bin>