diff options
| author | Jim Grosbach <grosbach@apple.com> | 2012-09-24 23:06:27 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-09-24 23:06:27 +0000 |
| commit | e9525d862454674ce87a9da52b2d05915a142206 (patch) | |
| tree | a3324f3d4e697b95463fb60b9b1d623d25fef016 /lib/CodeGen/AsmPrinter/AsmPrinter.cpp | |
| parent | 7f8f3f7f6400291d30531c88a98511f9fc626b4c (diff) | |
| download | external_llvm-e9525d862454674ce87a9da52b2d05915a142206.zip external_llvm-e9525d862454674ce87a9da52b2d05915a142206.tar.gz external_llvm-e9525d862454674ce87a9da52b2d05915a142206.tar.bz2 | |
Mark jump tables in code sections with DataRegion directives.
Even out-of-line jump tables can be in the code section, so mark them
as data-regions for those targets which support the directives.
rdar://12362871&12362974
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164571 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter/AsmPrinter.cpp')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index d6d4510..9453a80 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1082,6 +1082,11 @@ void AsmPrinter::EmitJumpTableInfo() { EmitAlignment(Log2_32(MJTI->getEntryAlignment(*TM.getTargetData()))); + // Jump tables in code sections are marked with a data_region directive + // where that's supported. + if (!JTInDiffSection) + OutStreamer.EmitDataRegion(MCDR_DataRegionJT32); + for (unsigned JTI = 0, e = JT.size(); JTI != e; ++JTI) { const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; @@ -1122,6 +1127,8 @@ void AsmPrinter::EmitJumpTableInfo() { for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) EmitJumpTableEntry(MJTI, JTBBs[ii], JTI); } + if (!JTInDiffSection) + OutStreamer.EmitDataRegion(MCDR_DataRegionEnd); } /// EmitJumpTableEntry - Emit a jump table entry for the specified MBB to the |