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| author | Manman Ren <mren@apple.com> | 2013-04-27 00:39:37 +0000 |
|---|---|---|
| committer | Manman Ren <mren@apple.com> | 2013-04-27 00:39:37 +0000 |
| commit | 0e52166bed9ce245a9879615adbab64844b27a87 (patch) | |
| tree | 643b942cf6611f56f01f68d445e7e8dae4c8d53b /clang/lib/CodeGen/CGExpr.cpp | |
| parent | cd67f97cb795832531a9c6ea646741c5471ee220 (diff) | |
| download | bcm5719-llvm-0e52166bed9ce245a9879615adbab64844b27a87.tar.gz bcm5719-llvm-0e52166bed9ce245a9879615adbab64844b27a87.zip | |
Struct-path aware TBAA: fix handling of may_alias attribute.
llvm-svn: 180656
Diffstat (limited to 'clang/lib/CodeGen/CGExpr.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index ea13de17abb..f426a52bcd2 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -2588,8 +2588,8 @@ LValue CodeGenFunction::EmitLValueForField(LValue base, getContext().getASTRecordLayout(field->getParent()); // Set the base type to be the base type of the base LValue and // update offset to be relative to the base type. - LV.setTBAABaseType(base.getTBAABaseType()); - LV.setTBAAOffset(base.getTBAAOffset() + + LV.setTBAABaseType(mayAlias ? getContext().CharTy : base.getTBAABaseType()); + LV.setTBAAOffset(mayAlias ? 0 : base.getTBAAOffset() + Layout.getFieldOffset(field->getFieldIndex()) / getContext().getCharWidth()); } |
