diff options
| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-04-28 20:25:27 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2017-04-28 20:25:27 +0000 |
| commit | ea376dae2597d580e335df43370833003818c129 (patch) | |
| tree | 6781af880b949fae23a04529962f13e1afdc095d /lib/Bitcode | |
| parent | 81de60661c39cbee91a9a1fdeed991bb3e13cd8b (diff) | |
Add speculatable function attribute
This attribute tells the optimizer that the function may be speculated.
Patch by Tom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301680 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode')
| -rw-r--r-- | lib/Bitcode/Reader/BitcodeReader.cpp | 3 | ||||
| -rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp index 6b29f6d66a18..782738f5359d 100644 --- a/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1119,6 +1119,7 @@ static uint64_t getRawAttributeMask(Attribute::AttrKind Val) { case Attribute::SwiftSelf: return 1ULL << 51; case Attribute::SwiftError: return 1ULL << 52; case Attribute::WriteOnly: return 1ULL << 53; + case Attribute::Speculatable: return 1ULL << 54; case Attribute::Dereferenceable: llvm_unreachable("dereferenceable attribute not supported in raw format"); break; @@ -1315,6 +1316,8 @@ static Attribute::AttrKind getAttrFromCode(uint64_t Code) { return Attribute::ReturnsTwice; case bitc::ATTR_KIND_S_EXT: return Attribute::SExt; + case bitc::ATTR_KIND_SPECULATABLE: + return Attribute::Speculatable; case bitc::ATTR_KIND_STACK_ALIGNMENT: return Attribute::StackAlignment; case bitc::ATTR_KIND_STACK_PROTECT: diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index eb8b43219da0..54839b487235 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -688,6 +688,8 @@ static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) { return bitc::ATTR_KIND_RETURNS_TWICE; case Attribute::SExt: return bitc::ATTR_KIND_S_EXT; + case Attribute::Speculatable: + return bitc::ATTR_KIND_SPECULATABLE; case Attribute::StackAlignment: return bitc::ATTR_KIND_STACK_ALIGNMENT; case Attribute::StackProtect: |