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[SystemZ] Improve optimizeCompareZero()
authorJonas Paulsson <paulsson@linux.vnet.ibm.com>
Thu, 21 Sep 2017 13:52:24 +0000 (13:52 +0000)
committerJonas Paulsson <paulsson@linux.vnet.ibm.com>
Thu, 21 Sep 2017 13:52:24 +0000 (13:52 +0000)
commitd4b6c99f73cfe8288fa51df32ecbd7054bd8a43a
tree133c0f87db2eeed421a11a387e1bef9b4cee8095tree | snapshot
parent4b02ed37e6b925f978b5839aaa7ba6ef3c62f887commit | diff
[SystemZ]  Improve optimizeCompareZero()

More conversions to load-and-test can be made with this patch by adding a
forward search in optimizeCompareZero().

Review: Ulrich Weigand
https://reviews.llvm.org/D38076

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313877 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/SystemZ/SystemZElimCompare.cpp diff | blob | history
test/CodeGen/SystemZ/fp-cmp-07.mir [new file with mode: 0644] blob
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