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authorSam Parker <sam.parker@arm.com>2019-07-11 09:56:15 +0000
committerSam Parker <sam.parker@arm.com>2019-07-11 09:56:15 +0000
commit08b4a8da07aa2335c44a40aa5a9951c2ee909e6b (patch)
treec8b0d7b8083cf8ede5d20306a2022f362f635418 /lldb/packages/Python/lldbsuite/test/functionalities/recursion/main.cpp
parentad54935c7781008d3ad780767aec309f28360ff9 (diff)
downloadbcm5719-llvm-08b4a8da07aa2335c44a40aa5a9951c2ee909e6b.tar.gz
bcm5719-llvm-08b4a8da07aa2335c44a40aa5a9951c2ee909e6b.zip
[ARM][LowOverheadLoops] Correct offset checking
This patch addresses a couple of problems: 1) The maximum supported offset of LE is -4094. 2) The offset of WLS also needs to be checked, this uses a maximum positive offset of 4094. The use of BasicBlockUtils has been changed because the block offsets weren't being initialised, but the isBBInRange checks both positive and negative offsets. ARMISelLowering has been tweaked because the test case presented another pattern that we weren't supporting. llvm-svn: 365749
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