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[ARM][LowOverheadLoops] Use tBcc when reverting
authorSam Parker <sam.parker@arm.com>
Mon, 23 Sep 2019 08:35:31 +0000 (08:35 +0000)
committerSam Parker <sam.parker@arm.com>
Mon, 23 Sep 2019 08:35:31 +0000 (08:35 +0000)
commit4a1b357783020a4bf1c4ae6d617ac2123e6805e9
tree01bb5a82c7043dcb7154daa61381575d7321f103tree | snapshot
parentc481cce847ecbec2b8903448e1246affbaafa3cbcommit | diff
[ARM][LowOverheadLoops] Use tBcc when reverting

Check the branch target ranges and use a tBcc instead of t2Bcc when
we can.

Differential Revision: https://reviews.llvm.org/D67796

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372557 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMLowOverheadLoops.cpp diff | blob | history
test/CodeGen/Thumb2/LowOverheadLoops/branch-targets.ll diff | blob | history
test/CodeGen/Thumb2/LowOverheadLoops/end-positive-offset.mir diff | blob | history
test/CodeGen/Thumb2/LowOverheadLoops/revert-non-header.mir diff | blob | history
test/CodeGen/Thumb2/LowOverheadLoops/revert-non-loop.mir diff | blob | history
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