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| author | Oren Ben Simhon <oren.ben.simhon@intel.com> | 2017-04-27 12:01:00 +0000 |
|---|---|---|
| committer | Oren Ben Simhon <oren.ben.simhon@intel.com> | 2017-04-27 12:01:00 +0000 |
| commit | 318a6eae06dd9fe031d3ebed0870460e3b911b02 (patch) | |
| tree | 20bbb483a66384595167c995561545898ed53856 /clang/lib/CodeGen/CGCall.cpp | |
| parent | f57453aece3e1dc56ce00a29ec6612d33e521c88 (diff) | |
| download | bcm5719-llvm-318a6eae06dd9fe031d3ebed0870460e3b911b02.tar.gz bcm5719-llvm-318a6eae06dd9fe031d3ebed0870460e3b911b02.zip | |
[X86] Support of no_caller_saved_registers attribute
Implements the Clang part for no_caller_saved_registers attribute as appears here:
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5ed3cc7b66af4758f7849ed6f65f4365be8223be.
Differential Revision: https://reviews.llvm.org/D31871
llvm-svn: 301535
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 26235257b19..a5c43fba6d0 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -788,6 +788,7 @@ CGFunctionInfo *CGFunctionInfo::create(unsigned llvmCC, FI->ChainCall = chainCall; FI->NoReturn = info.getNoReturn(); FI->ReturnsRetained = info.getProducesResult(); + FI->NoCallerSavedRegs = info.getNoCallerSavedRegs(); FI->Required = required; FI->HasRegParm = info.getHasRegParm(); FI->RegParm = info.getRegParm(); @@ -1816,6 +1817,8 @@ void CodeGenModule::ConstructAttributeList( RetAttrs.addAttribute(llvm::Attribute::NoAlias); if (TargetDecl->hasAttr<ReturnsNonNullAttr>()) RetAttrs.addAttribute(llvm::Attribute::NonNull); + if (TargetDecl->hasAttr<AnyX86NoCallerSavedRegistersAttr>()) + FuncAttrs.addAttribute("no_caller_saved_registers"); HasOptnone = TargetDecl->hasAttr<OptimizeNoneAttr>(); if (auto *AllocSize = TargetDecl->getAttr<AllocSizeAttr>()) { |
