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| author | Andrew MacLeod <amacleod@redhat.com> | 2020-11-06 14:14:46 -0500 |
|---|---|---|
| committer | Andrew MacLeod <amacleod@redhat.com> | 2020-11-06 14:20:54 -0500 |
| commit | 129e1a8a96d140150705fab30d25afb464eb1d99 (patch) | |
| tree | 07ad6c227d61e224f8495143c81292a079db91fe /gcc/function.c | |
| parent | 25126a28dbea7f9c7d6e5365929d7f3c9f60cdaf (diff) | |
| download | gcc-129e1a8a96d140150705fab30d25afb464eb1d99.zip gcc-129e1a8a96d140150705fab30d25afb464eb1d99.tar.gz gcc-129e1a8a96d140150705fab30d25afb464eb1d99.tar.bz2 | |
Combine new calculated ranges with existing range.
When a range is recalculated, retain what was previously known as IL changes
can produce different results from un-executed code. This also paves
the way for external injection of ranges.
gcc/
PR tree-optimization/97737
PR tree-optimization/97741
* gimple-range.cc: (gimple_ranger::range_of_stmt): Intersect newly
calculated ranges with the existing known global range.
gcc/testsuite/
* gcc.dg/pr97737.c: New.
* gcc.dg/pr97741.c: New.
Diffstat (limited to 'gcc/function.c')
0 files changed, 0 insertions, 0 deletions