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| author | Florian Hahn <flo@fhahn.com> | 2020-03-19 11:51:35 +0000 |
|---|---|---|
| committer | Florian Hahn <flo@fhahn.com> | 2020-03-19 12:45:33 +0000 |
| commit | 4a58996dd2d226063bc9703c4722e06a5d041b23 (patch) | |
| tree | e8688dc76cbbe404d957820e82bc4f000887ab88 /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | b1c8a378f78befd0f90bbbf70325e66c5f6bc0b6 (diff) | |
| download | llvm-4a58996dd2d226063bc9703c4722e06a5d041b23.zip llvm-4a58996dd2d226063bc9703c4722e06a5d041b23.tar.gz llvm-4a58996dd2d226063bc9703c4722e06a5d041b23.tar.bz2 | |
[SCCP] Use constant ranges for PHI nodes.
For PHIs with multiple incoming values, we can improve precision by
using constant ranges for integers. We can over-approximate phis
by merging the incoming values.
Reviewers: davide, efriedma, mssimpso
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D71933
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions