From 60f6833376cf1c9cbd7441e08e1697107b89bc4c Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 9 Mar 2006 22:38:10 +0000 Subject: use autogenerated side-effect information llvm-svn: 26673 --- llvm/lib/Transforms/Utils/Local.cpp | 32 +++++--------------------------- 1 file changed, 5 insertions(+), 27 deletions(-) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 9685e94cc19..9c7bfcebce6 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -307,33 +307,11 @@ bool llvm::isInstructionTriviallyDead(Instruction *I) { if (!I->mayWriteToMemory()) return true; if (CallInst *CI = dyn_cast(I)) - if (Function *F = CI->getCalledFunction()) - switch (F->getIntrinsicID()) { - default: break; - case Intrinsic::returnaddress: - case Intrinsic::frameaddress: - case Intrinsic::stacksave: - case Intrinsic::isunordered_f32: - case Intrinsic::isunordered_f64: - case Intrinsic::bswap_i16: - case Intrinsic::bswap_i32: - case Intrinsic::bswap_i64: - case Intrinsic::ctpop_i8: - case Intrinsic::ctpop_i16: - case Intrinsic::ctpop_i32: - case Intrinsic::ctpop_i64: - case Intrinsic::ctlz_i8: - case Intrinsic::ctlz_i16: - case Intrinsic::ctlz_i32: - case Intrinsic::ctlz_i64: - case Intrinsic::cttz_i8: - case Intrinsic::cttz_i16: - case Intrinsic::cttz_i32: - case Intrinsic::cttz_i64: - case Intrinsic::sqrt_f32: - case Intrinsic::sqrt_f64: - return true; // These intrinsics have no side effects. - } + if (Function *F = CI->getCalledFunction()) { +#define GET_SIDE_EFFECT_INFO +#include "llvm/Intrinsics.gen" +#undef GET_SIDE_EFFECT_INFO + } return false; } -- cgit v1.2.3