From: Misha Brukman Date: Wed, 1 Dec 2004 20:58:54 +0000 (+0000) Subject: * Hyphenate ``constant-propagate'' X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a424228023cb0f420e4bea6011aaa8df80e9d1c5;p=oota-llvm.git * Hyphenate ``constant-propagate'' * Add testing notes to the instruction section similar as for intrinsics * Mention adding codegen support for new instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18409 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/docs/ExtendingLLVM.html b/docs/ExtendingLLVM.html index f2c56a04934..6aece2ff9ce 100644 --- a/docs/ExtendingLLVM.html +++ b/docs/ExtendingLLVM.html @@ -100,12 +100,13 @@ function and then be turned into an instruction if warranted.

not access memory or does not write to memory, add it to the relevant list of functions. -
  • llvm/lib/Transforms/Utils/Local.cpp: If it is possible to constant - propagate your intrinsic, add support to it in the +
  • llvm/lib/Transforms/Utils/Local.cpp: If it is possible to + constant-propagate your intrinsic, add support to it in the canConstantFoldCallTo and ConstantFoldCall functions.
  • Test your intrinsic
  • -
  • llvm/test/Regression/*: add your test cases to the test suite.
  • + +
  • llvm/test/Regression/*: add your test cases to the test suite
  • If this intrinsic requires code generator support (i.e., it cannot be @@ -154,6 +155,14 @@ necessary.

    implement the class you defined in llvm/include/llvm/Instructions.h +
  • Test your instruction
  • + +
  • llvm/lib/Target/*: + Add support for your instruction to code generators, or add a lowering + pass.
  • + +
  • llvm/test/Regression/*: add your test cases to the test suite.
  • +

    Also, you need to implement (or modify) any analyses or passes that you want