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author | Daniel Dunbar <daniel@zuster.org> | 2010-05-14 00:37:21 +0000 |
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committer | Daniel Dunbar <daniel@zuster.org> | 2010-05-14 00:37:21 +0000 |
commit | 9005d45a990ef46f06800bd6bd6a7d1298a33645 (patch) | |
tree | 08945cb3abfe39553b3e85635477f14b81a38532 /include/llvm/MC/MCAsmLayout.h | |
parent | 11c411151643e80b9da0acf16f8bb3ec9c6d2754 (diff) | |
download | llvm-9005d45a990ef46f06800bd6bd6a7d1298a33645.tar.gz llvm-9005d45a990ef46f06800bd6bd6a7d1298a33645.tar.bz2 llvm-9005d45a990ef46f06800bd6bd6a7d1298a33645.tar.xz |
MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103753 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/MC/MCAsmLayout.h')
-rw-r--r-- | include/llvm/MC/MCAsmLayout.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/MC/MCAsmLayout.h b/include/llvm/MC/MCAsmLayout.h index 526ecad931..991d262135 100644 --- a/include/llvm/MC/MCAsmLayout.h +++ b/include/llvm/MC/MCAsmLayout.h @@ -36,6 +36,14 @@ private: /// List of sections in layout order. llvm::SmallVector<MCSectionData*, 16> SectionOrder; + /// The last fragment which was layed out, or 0 if nothing has been layed + /// out. Fragments are always layed out in order, so all fragments with a + /// lower ordinal will be up to date. + mutable MCFragment *LastValidFragment; + + bool isSectionUpToDate(const MCSectionData *SD) const; + bool isFragmentUpToDate(const MCFragment *F) const; + public: MCAsmLayout(MCAssembler &_Assembler); |