Commit Graph

12 Commits

Author SHA1 Message Date
Juergen Ributzka
ceaf829339 Add two new calling conventions for runtime calls
This patch adds two new target-independent calling conventions for runtime
calls - PreserveMost and PreserveAll.
The target-specific implementation for X86-64 is defined as following:
  - Arguments are passed as for the default C calling convention
  - The same applies for the return value(s)
  - PreserveMost preserves all GPRs - except R11
  - PreserveAll preserves all GPRs and all XMMs/YMMs - except R11

Reviewed by Lang and Philip

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199508 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-17 19:47:03 +00:00
Nico Rieck
38f68c5a2e Decouple dllexport/dllimport from linkage
Representing dllexport/dllimport as distinct linkage types prevents using
these attributes on templates and inline functions.

Instead of introducing further mixed linkage types to include linkonce and
weak ODR, the old import/export linkage types are replaced with a new
separate visibility-like specifier:

  define available_externally dllimport void @f() {}
  @Var = dllexport global i32 1, align 4

Linkage for dllexported globals and functions is now equal to their linkage
without dllexport. Imported globals and functions must be either
declarations with external linkage, or definitions with
AvailableExternallyLinkage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199218 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-14 15:22:47 +00:00
Nico Rieck
55463f4ec1 Revert "Decouple dllexport/dllimport from linkage"
Revert this for now until I fix an issue in Clang with it.

This reverts commit r199204.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199207 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-14 12:38:32 +00:00
Nico Rieck
bce07a0c3b Decouple dllexport/dllimport from linkage
Representing dllexport/dllimport as distinct linkage types prevents using
these attributes on templates and inline functions.

Instead of introducing further mixed linkage types to include linkonce and
weak ODR, the old import/export linkage types are replaced with a new
separate visibility-like specifier:

  define available_externally dllimport void @f() {}
  @Var = dllexport global i32 1, align 4

Linkage for dllexported globals and functions is now equal to their linkage
without dllexport. Imported globals and functions must be either
declarations with external linkage, or definitions with
AvailableExternallyLinkage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199204 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-14 11:55:03 +00:00
Juergen Ributzka
4ab3e6c164 [anyregcc] Fix callee-save mask for anyregcc
Use separate callee-save masks for XMM and YMM registers for anyregcc on X86 and
select the proper mask depending on the target cpu we compile for.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198985 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-11 01:00:27 +00:00
Peter Collingbourne
1e3037f0be Implement function prefix data as an IR feature.
Previous discussion:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html

Differential Revision: http://llvm-reviews.chandlerc.com/D1191

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190773 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-16 01:08:15 +00:00
Sean Silva
a7aec400a7 docs: Fix long standing linking antipattern.
Before we learned about :doc:, we used :ref: and put a dummy link at the
top of each page. Don't do that anymore.

This fixes PR14891 as a special case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172162 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11 02:28:08 +00:00
Joe Abbey
2db2749c67 Better 80cols... *sigh*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168373 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-20 18:14:15 +00:00
Joe Abbey
8162cf4567 Fixing a broken link.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-20 17:51:08 +00:00
Jan Wen Voung
0919f22dec Fix a typo in bitcode docs, from 165814.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-15 16:47:58 +00:00
Jan Wen Voung
780c798222 Add bitcode instruction encoding documentation for module version
0 and 1.  Followup to 165739.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165814 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-12 18:13:17 +00:00
Bill Wendling
0ca9927a71 Sphinxify the bitcode format document.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28 08:43:12 +00:00