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(parent: 6e6b822) | patch
When emitting a cmp with 0 for a lowered select, mask out the high
authorDan Gohman <gohman@apple.com>
Fri, 24 Feb 2012 00:09:36 +0000 (00:09 +0000)
committerDan Gohman <gohman@apple.com>
Fri, 24 Feb 2012 00:09:36 +0000 (00:09 +0000)
commitdb9538923eb95df48e9a6abe7e3b0ba8435915d7
tree4cf2df843c044f4dc5a692c3e725ce1f87df7df5tree | snapshot
parent6e6b822b51d2716614a2b2ab17a7023d7879ab70commit | diff
When emitting a cmp with 0 for a lowered select, mask out the high
bits of the value carying the boolean condition, as their contents
are undefined. This fixes rdar://10887484.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151310 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelLowering.cpp diff | blob | history
test/CodeGen/ARM/load_i1_select.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors