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(parent: e04ed6b) | patch
Don't look past volatile loads.
authorBill Wendling <isanbard@gmail.com>
Mon, 25 Nov 2013 05:01:21 +0000 (05:01 +0000)
committerBill Wendling <isanbard@gmail.com>
Mon, 25 Nov 2013 05:01:21 +0000 (05:01 +0000)
commitdfc615f284a271e0f3c05e1ae4a242a57a6d0c4b
treef2f66a501d245842d08679e03ab18ad456e8074ftree | snapshot
parente04ed6b8b1b03933cfc73c8c0b5c3d5df2b618fdcommit | diff
Don't look past volatile loads.

A volatile load should block us from trying to coalesce stores.
PR18023

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195599 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/pr18023.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors