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Store a DataLayout in Module.

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Now that DataLayout is not a pass, store one in Module.

Since the C API expects to be able to get a char* to the datalayout description,
we have to keep a std::string somewhere. This patch keeps it in Module and also
uses it to represent modules without a DataLayout.

Once DataLayout is mandatory, we should probably move the string to DataLayout
itself since it won't be necessary anymore to represent the special case of a
module without a DataLayout.

llvm-svn: 202190
This commit is contained in:
Rafael Espindola
2014-02-25 20:01:08 +00:00
parent 29da3d7c51
commit 4caf003955
9 changed files with 62 additions and 24 deletions
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lib/Bitcode/Writer/BitcodeWriter.cpp
+3 -3
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@@ -530,9 +530,9 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
if (!M->getTargetTriple().empty())
WriteStringRecord(bitc::MODULE_CODE_TRIPLE, M->getTargetTriple(),
0/*TODO*/, Stream);
if (!M->getDataLayout().empty())
WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, M->getDataLayout(),
0/*TODO*/, Stream);
const std::string &DL = M->getDataLayoutStr();
if (!DL.empty())
WriteStringRecord(bitc::MODULE_CODE_DATALAYOUT, DL, 0 /*TODO*/, Stream);
if (!M->getModuleInlineAsm().empty())
WriteStringRecord(bitc::MODULE_CODE_ASM, M->getModuleInlineAsm(),
0/*TODO*/, Stream);