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| author | Dominic Chen <d.c.ddcc@gmail.com> | 2016-08-11 17:52:40 +0000 |
|---|---|---|
| committer | Dominic Chen <d.c.ddcc@gmail.com> | 2016-08-11 17:52:40 +0000 |
| commit | 6ba19659cb7c4b08828b187dc8e4b45531d0e6a6 (patch) | |
| tree | b0921bf5c9d1433bad8f11d1ff0c331ba4b3629c /llvm/lib/CodeGen/MachineScheduler.cpp | |
| parent | e36d7716c38ba1ec44d79b668d15584ecc725d5f (diff) | |
| download | llvm-6ba19659cb7c4b08828b187dc8e4b45531d0e6a6.zip llvm-6ba19659cb7c4b08828b187dc8e4b45531d0e6a6.tar.gz llvm-6ba19659cb7c4b08828b187dc8e4b45531d0e6a6.tar.bz2 | |
Improve virtual register handling when computing debug information
Summary: Some backends, like WebAssembly, use virtual registers instead of physical registers. This crashes the DbgValueHistoryCalculator pass, which assumes that all registers are physical. Instead, skip virtual registers when iterating aliases, and assume that they are clobbered.
Reviewers: dexonsmith, dschuff, aprantl
Subscribers: yurydelendik, llvm-commits, jfb, sunfish
Differential Revision: https://reviews.llvm.org/D22590
llvm-svn: 278371
Diffstat (limited to 'llvm/lib/CodeGen/MachineScheduler.cpp')
0 files changed, 0 insertions, 0 deletions