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| author | Dan Gohman <gohman@apple.com> | 2011-12-17 00:04:22 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-12-17 00:04:22 +0000 |
| commit | ce16339930a2b03e53b4e6399ef59c092a7f2cfa (patch) | |
| tree | 8265888014a73aa5764f99d7b6bb0553066f78bc /lib/AsmParser/LLLexer.cpp | |
| parent | 2e1b0c0cd9fab8f1841e1039cf39dcceeba70f73 (diff) | |
The powers that be have decided that LLVM IR should now support 16-bit
"half precision" floating-point with a first-class type.
This patch adds basic IR support (but not codegen support).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AsmParser/LLLexer.cpp')
| -rw-r--r-- | lib/AsmParser/LLLexer.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp index 1b6b11a5d3..d93108fc47 100644 --- a/lib/AsmParser/LLLexer.cpp +++ b/lib/AsmParser/LLLexer.cpp @@ -574,6 +574,7 @@ lltok::Kind LLLexer::LexIdentifier() { if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \ TyVal = LLVMTY; return lltok::Type; } TYPEKEYWORD("void", Type::getVoidTy(Context)); + TYPEKEYWORD("half", Type::getHalfTy(Context)); TYPEKEYWORD("float", Type::getFloatTy(Context)); TYPEKEYWORD("double", Type::getDoubleTy(Context)); TYPEKEYWORD("x86_fp80", Type::getX86_FP80Ty(Context)); @@ -693,7 +694,7 @@ lltok::Kind LLLexer::Lex0x() { if (Kind == 'J') { // HexFPConstant - Floating point constant represented in IEEE format as a // hexadecimal number for when exponential notation is not precise enough. - // Float and double only. + // Half, Float, and double only. APFloatVal = APFloat(BitsToDouble(HexIntToVal(TokStart+2, CurPtr))); return lltok::APFloat; } |