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| author | Fariborz Jahanian <fjahanian@apple.com> | 2009-01-27 22:27:56 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2009-01-27 22:27:56 +0000 |
| commit | 07236ba8d3cf1d2aa8cd173c440f3e7dc1249fd0 (patch) | |
| tree | d0af66d461e3d99f9b90d03810b9f9b1a4578459 /lib/CodeGen/CGObjCMac.cpp | |
| parent | c6673033dc46274f3ac115e63b531d8ac231bef6 (diff) | |
After talking to our runtime guru, I added a comment.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63141 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGObjCMac.cpp')
| -rw-r--r-- | lib/CodeGen/CGObjCMac.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp index eef74083da..eb26a95807 100644 --- a/lib/CodeGen/CGObjCMac.cpp +++ b/lib/CodeGen/CGObjCMac.cpp @@ -3562,6 +3562,11 @@ llvm::Constant *CGObjCNonFragileABIMac::EmitIvarList( Field->getType().getTypePtr()) >> 3; Align = llvm::Log2_32(Align); Ivar[3] = llvm::ConstantInt::get(ObjCTypes.IntTy, Align); + // NOTE. Size of a bitfield does not match gcc's, because of the way + // bitfields are treated special in each. But I am told that 'size' + // for bitfield ivars is ignored by the runtime so it does not matter. + // (even if it matters, some day, there is enough info. to get the bitfield + // right! Ivar[4] = llvm::ConstantInt::get(ObjCTypes.IntTy, Size); Ivars.push_back(llvm::ConstantStruct::get(ObjCTypes.IvarnfABITy, Ivar)); } |