From f6b7dd7ca9ab98ec0e6d42ce38f0fb0a6c9a12d6 Mon Sep 17 00:00:00 2001 From: Nate Begeman Date: Sat, 14 Jan 2006 01:27:10 +0000 Subject: [PATCH] Fix the instructions for adding an intrinsic. llvm-svn: 25310 --- llvm/docs/ExtendingLLVM.html | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/llvm/docs/ExtendingLLVM.html b/llvm/docs/ExtendingLLVM.html index 9b0a487f82ee..dbfd4b8ec703 100644 --- a/llvm/docs/ExtendingLLVM.html +++ b/llvm/docs/ExtendingLLVM.html @@ -97,9 +97,13 @@ 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 -fold your intrinsic, add support to it in the canConstantFoldCallTo and -ConstantFoldCall functions.
  • +
  • llvm/lib/Analysis/ConstantFolding.cpp: If it is possible to + constant fold your intrinsic, add support to it in the + canConstantFoldCallTo and ConstantFoldCall functions.
  • + +
  • llvm/lib/Transforms/Utils/Local.cpp: If your intrinsic has no side- + effects, add it to the list of intrinsics in the + isInstructionTriviallyDead function.
  • Test your intrinsic