From 9da9934e27dfb48de77b80a3e20ed2d869b52024 Mon Sep 17 00:00:00 2001 From: Jakub Staszak Date: Wed, 6 Jul 2011 18:22:43 +0000 Subject: Introduce "expect" intrinsic instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134516 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp') diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index ea59ca14d8..fc8f0d2996 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -4771,6 +4771,13 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { case Intrinsic::flt_rounds: setValue(&I, DAG.getNode(ISD::FLT_ROUNDS_, dl, MVT::i32)); return 0; + + case Intrinsic::expect: { + // Just replace __builtin_expect(exp, c) with EXP. + setValue(&I, getValue(I.getArgOperand(0))); + return 0; + } + case Intrinsic::trap: { StringRef TrapFuncName = getTrapFunctionName(); if (TrapFuncName.empty()) { -- cgit v1.2.3-18-g5258