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Tag Archives: 编译原理

LLVM笔记(3)：LLVM的语言（下）

Monday, September 26, 2011

（本文是 http://llvm.org/releases/2.9/docs/LangRef.html 的阅读笔记，前作为《LLVM笔记(2)：LLVM的语言（中）》。） Instruction Reference terminator instruction indicates which block should be executed after the current block is finished yields ‘void’ value, ret (return) ret <type> <value> ret void branch br i1 <cond>, label <iftrue>, label <iffalse> br label <dest> ; Unconditional branch switch <intty> <value>, label <defaultdest> [ <intty> <val>, label <dest> ... ] indirectbr <somety>* […]

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LLVM笔记(2)：LLVM的语言（中）

Sunday, September 25, 2011

（本文是 http://llvm.org/releases/2.9/docs/LangRef.html 的阅读笔记，前作为《LLVM笔记(1)：LLVM的语言（上）》。） Type System Type Classifications integer: i1, i2, i3, … i8, … i16, … i32, … i64 floating point: float, double, x86_fp80, fp128, ppc_fp128 first class: integer, floating point, pointer, vector, structure, array, label, metadata. primitive: label, void, integer, floating point, x86mmx, metadata. derived: array, function, pointer, structure, packed structure, vector, opaque. Array type [<# elements> x <elementtype>] Function […]

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