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| author | Jakub Staszak <jstaszak@apple.com> | 2011-07-06 18:22:43 +0000 |
|---|---|---|
| committer | Jakub Staszak <jstaszak@apple.com> | 2011-07-06 18:22:43 +0000 |
| commit | 9da9934e27dfb48de77b80a3e20ed2d869b52024 (patch) | |
| tree | 711368e52d6596eeb3273012758fe07e87213687 /lib/CodeGen/SelectionDAG | |
| parent | d7c7e2ff7d3305e4bc5634902ec4b8406e9cefca (diff) | |
Introduce "expect" intrinsic instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134516 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
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()) { |