[ARM][LowOverheadLoops] Use iterator for InsertPt.
authorSam Parker <sam.parker@arm.com>
Wed, 30 Sep 2020 14:15:42 +0000 (15:15 +0100)
committerSam Parker <sam.parker@arm.com>
Thu, 1 Oct 2020 07:32:35 +0000 (08:32 +0100)
commitdfa2c14b8fe8166ff9ff951b8b70a2004401d0db
treedfab3f32ad5b377c2d8516000ce476367214d756
parent1e8fbb3b745916160a35a6af4dfdba9bbe26c730
[ARM][LowOverheadLoops] Use iterator for InsertPt.

Use a MachineBasicBlock::iterator instead of a MachineInstr* for the
position of our LoopStart instruction. NFCish, as it change debug
info.
llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
llvm/test/CodeGen/Thumb2/LowOverheadLoops/matrix-debug.mir