From c9e3d6eb7ca1d1ba547b06927fa4eab30c4c6c7f Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Fri, 3 May 2019 11:32:00 +0000 Subject: [PATCH] [SelectionDAG] Use INT_MIN as (1 << 31) is UB for signed integers. NFCI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359873 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index f3099e3e18f..7b31f5d11e2 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -9056,7 +9056,7 @@ unsigned SelectionDAG::InferPtrAlignment(SDValue Ptr) const { // If this is a direct reference to a stack slot, use information about the // stack slot's alignment. - int FrameIdx = 1 << 31; + int FrameIdx = INT_MIN; int64_t FrameOffset = 0; if (FrameIndexSDNode *FI = dyn_cast(Ptr)) { FrameIdx = FI->getIndex(); @@ -9067,7 +9067,7 @@ unsigned SelectionDAG::InferPtrAlignment(SDValue Ptr) const { FrameOffset = Ptr.getConstantOperandVal(1); } - if (FrameIdx != (1 << 31)) { + if (FrameIdx != INT_MIN) { const MachineFrameInfo &MFI = getMachineFunction().getFrameInfo(); unsigned FIInfoAlign = MinAlign(MFI.getObjectAlignment(FrameIdx), FrameOffset); -- 2.40.0