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| author | Dorit Nuzman <dorit.nuzman@intel.com> | 2019-08-15 07:12:14 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit.nuzman@intel.com> | 2019-08-15 07:12:14 +0000 |
| commit | d57d73daed3057ff48a1e6476a681b2ad46c268c (patch) | |
| tree | 52d58fc222ecc3ccabab84a7ff96f2e42b70dd26 /llvm/tools/llvm-readobj/MachODumper.cpp | |
| parent | 1e246b20c038d61153c7a77b8578a188d40938e2 (diff) | |
| download | bcm5719-llvm-d57d73daed3057ff48a1e6476a681b2ad46c268c.tar.gz bcm5719-llvm-d57d73daed3057ff48a1e6476a681b2ad46c268c.zip | |
[LV] fold-tail predication should be respected even with assume_safety
assume_safety implies that loads under "if's" can be safely executed
speculatively (unguarded, unmasked). However this assumption holds only for the
original user "if's", not those introduced by the compiler, such as the
fold-tail "if" that guards us from loading beyond the original loop trip-count.
Currently the combination of fold-tail and assume-safety pragmas results in
ignoring the fold-tail predicate that guards the loads, generating unmasked
loads. This patch fixes this behavior.
Differential Revision: https://reviews.llvm.org/D66106
Reviewers: Ayal, hsaito, fhahn
llvm-svn: 368973
Diffstat (limited to 'llvm/tools/llvm-readobj/MachODumper.cpp')
0 files changed, 0 insertions, 0 deletions
