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Consider any instruction that modifies the stack pointer to be
authorDan Gohman <gohman@apple.com>
Tue, 10 Feb 2009 23:29:38 +0000 (23:29 +0000)
committerDan Gohman <gohman@apple.com>
Tue, 10 Feb 2009 23:29:38 +0000 (23:29 +0000)
commitbed353d0163a6b17beecc20c23b67de9b06e7b5c
treeb9c4ae8b9cf7f9e4199cbf4764eb8e86cf7e7f38tree | snapshot
parent9e64bbb322417c09f27afdf08e3946287c9df5aacommit | diff
Consider any instruction that modifies the stack pointer to be
a scheduling region boundary.  This isn't necessary for
correctness; it helps with compile time, as it avoids the need
for data- and anti-dependencies from all spills and reloads on
the stack-pointer modification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64255 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/PostRASchedulerList.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors