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| author | Jingyue Wu <jingyue@google.com> | 2014-06-08 23:49:34 +0000 |
|---|---|---|
| committer | Jingyue Wu <jingyue@google.com> | 2014-06-08 23:49:34 +0000 |
| commit | 5c7b1aed5db9749f0af83320dcb2bc3d412e1821 (patch) | |
| tree | 59dcbcfb0485b594f4ab4e014e01130120ff8037 /clang-tools-extra/modularize/PreprocessorTracker.cpp | |
| parent | 2d173b5302889fa5ca7d3093f164814a3363283e (diff) | |
| download | bcm5719-llvm-5c7b1aed5db9749f0af83320dcb2bc3d412e1821.tar.gz bcm5719-llvm-5c7b1aed5db9749f0af83320dcb2bc3d412e1821.zip | |
[SeparateConstOffsetFromGEP] inbounds zext => sext for better splitting
For each array index that is in the form of zext(a), convert it to sext(a)
if we can prove zext(a) <= max signed value of typeof(a). The conversion
helps to split zext(x + y) into sext(x) + sext(y).
Reviewed in http://reviews.llvm.org/D4060
llvm-svn: 210444
Diffstat (limited to 'clang-tools-extra/modularize/PreprocessorTracker.cpp')
0 files changed, 0 insertions, 0 deletions
