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| author | Yingwei Zheng <dtcxzyw2333@gmail.com> | 2025-03-09 21:10:35 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-03-09 21:10:35 +0800 |
| commit | 029e10289a02b438f1a22f401c94ed60ab4bb704 (patch) | |
| tree | 354a96b186fad2a23b39fc016744584b00d5ad51 /lldb/packages/Python/lldbsuite/test/lldbdwarf.py | |
| parent | 107aa6a3d3ab96b7eec55e1ec5c3eabfa6ab2f9f (diff) | |
| download | llvm-029e10289a02b438f1a22f401c94ed60ab4bb704.zip llvm-029e10289a02b438f1a22f401c94ed60ab4bb704.tar.gz llvm-029e10289a02b438f1a22f401c94ed60ab4bb704.tar.bz2 | |
[ValueTracking] Bail out on x86_fp80 when computing fpclass with knownbits (#130477)
In https://github.com/llvm/llvm-project/pull/97762, we assume the
minimum possible value of X is NaN implies X is NaN. But it doesn't hold
for x86_fp80 format. If the knownbits of X are
`?'011111111111110'????????????????????????????????????????????????????????????????`,
the minimum possible value of X is NaN/unnormal. However, it can be a
normal value.
Closes https://github.com/llvm/llvm-project/issues/130408.
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/lldbdwarf.py')
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