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author | Chris Lattner <sabre@nondot.org> | 2009-01-12 02:41:37 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-01-12 02:41:37 +0000 |
commit | d4a2700fdc5bc8ac50084fcb39155e01e86168d5 (patch) | |
tree | bd1286f5ee5e7c217f27ff19cde3b96cf305243f /utils/TableGen/IntrinsicEmitter.cpp | |
parent | 10dae94be2ccb187bd4e3da53771be54057acd6c (diff) | |
download | llvm-d4a2700fdc5bc8ac50084fcb39155e01e86168d5.tar.gz llvm-d4a2700fdc5bc8ac50084fcb39155e01e86168d5.tar.bz2 llvm-d4a2700fdc5bc8ac50084fcb39155e01e86168d5.tar.xz |
make tblgen autogenerate the nocapture intrinsics for
llvm.memcpy/memset/memmove. This allows removal of some
hackish code from basicaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62071 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/IntrinsicEmitter.cpp')
-rw-r--r-- | utils/TableGen/IntrinsicEmitter.cpp | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp index 34bf768890..eda55e1430 100644 --- a/utils/TableGen/IntrinsicEmitter.cpp +++ b/utils/TableGen/IntrinsicEmitter.cpp @@ -423,8 +423,7 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) { OS << " break;\n"; OS << " }\n"; OS << " AttributeWithIndex AWI[" << MaxArgAttrs+1 << "];\n"; - OS << " AWI[0] = AttributeWithIndex::get(~0, Attr);\n"; - OS << " unsigned NumAttrs = 1;\n"; + OS << " unsigned NumAttrs = 0;\n"; OS << " switch (id) {\n"; OS << " default: break;\n"; @@ -441,17 +440,33 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) { unsigned NumArgsWithAttrs = 0; - // FIXME: EMIT ATTRS - + while (!ArgAttrs.empty()) { + unsigned ArgNo = ArgAttrs[0].first; + + OS << " AWI[" << NumArgsWithAttrs++ << "] = AttributeWithIndex::get(" + << ArgNo+1 << ", 0"; + + while (!ArgAttrs.empty() && ArgAttrs[0].first == ArgNo) { + switch (ArgAttrs[0].second) { + default: assert(0 && "Unknown arg attribute"); + case CodeGenIntrinsic::NoCapture: + OS << "|Attribute::NoCapture"; + break; + } + ArgAttrs.erase(ArgAttrs.begin()); + } + OS << ");\n"; + } - OS << " NumAttrs = " << NumArgsWithAttrs+1 << ";\n"; + OS << " NumAttrs = " << NumArgsWithAttrs << ";\n"; OS << " break;\n"; } OS << " }\n"; - OS << " return AttrListPtr::get(AWI, NumAttrs);\n"; + OS << " AWI[NumAttrs] = AttributeWithIndex::get(~0, Attr);\n"; + OS << " return AttrListPtr::get(AWI, NumAttrs+1);\n"; OS << "}\n"; - OS << "#endif\n\n"; + OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n"; } void IntrinsicEmitter:: |