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| author | Michael Berg <michael_c_berg@apple.com> | 2018-09-11 21:35:32 +0000 |
|---|---|---|
| committer | Michael Berg <michael_c_berg@apple.com> | 2018-09-11 21:35:32 +0000 |
| commit | c72a7259bee5779f8627bbf464f53c0c993274e0 (patch) | |
| tree | 731d1d510cff1301c6f8f3e82132a435fe99c39f /llvm/lib/CodeGen/MIRParser | |
| parent | f0d7daa972a136d4e1dd1869d4908f3eef331d10 (diff) | |
| download | bcm5719-llvm-c72a7259bee5779f8627bbf464f53c0c993274e0.tar.gz bcm5719-llvm-c72a7259bee5779f8627bbf464f53c0c993274e0.zip | |
add IR flags to MI
Summary: Initial support for nsw, nuw and exact flags in MI
Reviewers: spatel, hfinkel, wristow
Reviewed By: spatel
Subscribers: nlopes
Differential Revision: https://reviews.llvm.org/D51738
llvm-svn: 341996
Diffstat (limited to 'llvm/lib/CodeGen/MIRParser')
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MILexer.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MILexer.h | 3 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MIParser.cpp | 11 |
3 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.cpp b/llvm/lib/CodeGen/MIRParser/MILexer.cpp index e3f19f011ce..f7cc94e34a5 100644 --- a/llvm/lib/CodeGen/MIRParser/MILexer.cpp +++ b/llvm/lib/CodeGen/MIRParser/MILexer.cpp @@ -202,6 +202,9 @@ static MIToken::TokenKind getIdentifierKind(StringRef Identifier) { .Case("contract", MIToken::kw_contract) .Case("afn", MIToken::kw_afn) .Case("reassoc", MIToken::kw_reassoc) + .Case("nuw" , MIToken::kw_nuw) + .Case("nsw" , MIToken::kw_nsw) + .Case("exact" , MIToken::kw_exact) .Case("debug-location", MIToken::kw_debug_location) .Case("same_value", MIToken::kw_cfi_same_value) .Case("offset", MIToken::kw_cfi_offset) diff --git a/llvm/lib/CodeGen/MIRParser/MILexer.h b/llvm/lib/CodeGen/MIRParser/MILexer.h index d2dc5511b25..dffa4f74544 100644 --- a/llvm/lib/CodeGen/MIRParser/MILexer.h +++ b/llvm/lib/CodeGen/MIRParser/MILexer.h @@ -71,6 +71,9 @@ struct MIToken { kw_contract, kw_afn, kw_reassoc, + kw_nuw, + kw_nsw, + kw_exact, kw_debug_location, kw_cfi_same_value, kw_cfi_offset, diff --git a/llvm/lib/CodeGen/MIRParser/MIParser.cpp b/llvm/lib/CodeGen/MIRParser/MIParser.cpp index 7ba75c13084..5c6a41af97a 100644 --- a/llvm/lib/CodeGen/MIRParser/MIParser.cpp +++ b/llvm/lib/CodeGen/MIRParser/MIParser.cpp @@ -963,7 +963,10 @@ bool MIParser::parseInstruction(unsigned &OpCode, unsigned &Flags) { Token.is(MIToken::kw_arcp) || Token.is(MIToken::kw_contract) || Token.is(MIToken::kw_afn) || - Token.is(MIToken::kw_reassoc)) { + Token.is(MIToken::kw_reassoc) || + Token.is(MIToken::kw_nuw) || + Token.is(MIToken::kw_nsw) || + Token.is(MIToken::kw_exact)) { // Mine frame and fast math flags if (Token.is(MIToken::kw_frame_setup)) Flags |= MachineInstr::FrameSetup; @@ -983,6 +986,12 @@ bool MIParser::parseInstruction(unsigned &OpCode, unsigned &Flags) { Flags |= MachineInstr::FmAfn; if (Token.is(MIToken::kw_reassoc)) Flags |= MachineInstr::FmReassoc; + if (Token.is(MIToken::kw_nuw)) + Flags |= MachineInstr::NoUWrap; + if (Token.is(MIToken::kw_nsw)) + Flags |= MachineInstr::NoSWrap; + if (Token.is(MIToken::kw_exact)) + Flags |= MachineInstr::IsExact; lex(); } |
