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| author | Nicolai Haehnle <nhaehnle@gmail.com> | 2016-07-11 14:11:45 +0000 |
|---|---|---|
| committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2016-07-11 14:11:45 +0000 |
| commit | 9343f36f8eec31842cbd07a48b62e5acd80d02bc (patch) | |
| tree | aa31dfeadd0f63743f70e3cb99ad4a4805d348a7 /llvm/lib/Transforms | |
| parent | 0d38830aca17e66f54ba57857b5e75d9df1827d4 (diff) | |
| download | bcm5719-llvm-9343f36f8eec31842cbd07a48b62e5acd80d02bc.tar.gz bcm5719-llvm-9343f36f8eec31842cbd07a48b62e5acd80d02bc.zip | |
AliasAnalysis: unify getModRefInfo(I, CS) semantics with other overloads
This subtle change to getModRefInfo(Instruction, ImmutableCallSite) is to
ensure that the semantics are equal to that of getModRefInfo(CS1, CS2) when
the Instruction is a call-site.
This is now more in line with getModRefInfo generally: it returns Mod when
I modifies a memory location that is accessed (read or written) by CS and
Ref when I reads a memory location that is written by CS.
From a grep of the code, the only uses of this particular getModRefInfo
overload are in MemorySSA and MemCpyOptimizer, and they only care about
where the result is MR_NoModRef or not. Therefore, this change should have
no visible effect.
Separated out from D17279 upon request.
llvm-svn: 275065
Diffstat (limited to 'llvm/lib/Transforms')
0 files changed, 0 insertions, 0 deletions
