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Move alignment from MCSectionData to MCSection.

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This starts merging MCSection and MCSectionData.

There are a few issues with the current split between MCSection and
MCSectionData.

* It optimizes the the not as important case. We want the production
of .o files to be really fast, but the split puts the information used
for .o emission in a separate data structure.

* The ELF/COFF/MachO hierarchy is not represented in MCSectionData,
leading to some ad-hoc ways to represent the various flags.

* It makes it harder to remember where each item is.

The attached patch starts merging the two by moving the alignment from
MCSectionData to MCSection.

Most of the patch is actually just dropping 'const', since
MCSectionData is mutable, but MCSection was not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237936 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2015-05-21 19:20:38 +00:00
parent 4c919af335
commit 7521964d28
85 changed files with 619 additions and 686 deletions
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4
lib/CodeGen/StackMaps.cpp
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@ -524,8 +524,8 @@ void StackMaps::serializeToStackMapSection() {
MCStreamer &OS = *AP.OutStreamer;
// Create the section.
const MCSection *StackMapSection =
OutContext.getObjectFileInfo()->getStackMapSection();
MCSection *StackMapSection =
OutContext.getObjectFileInfo()->getStackMapSection();
OS.SwitchSection(StackMapSection);
// Emit a dummy symbol to force section inclusion.