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Revert commit from upstream llvm trunk (by Hans Wennborg):

Description

Revert commit from upstream llvm trunk (by Hans Wennborg):

Re-commit r357452 (take 3): "SimplifyCFG
SinkCommonCodeFromPredecessors: Also sink function calls without used
results (PR41259)"

Third time's the charm.

This was reverted in r363220 due to being suspected of an internal
benchmark regression and a test failure, none of which turned out to
be caused by this.

As reported in https://bugs.llvm.org/show_bug.cgi?id=43269, this causes
UNREACHABLE errors when compiling if_malo_pci.c for arm and aarch64.

Details

Committed
dimSep 14 2019, 10:55 AM
Parents
rS352317: Apparently DebugInfo/DWARF/DWARFExpression.cpp is always needed, at
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