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| author | Craig Topper <craig.topper@intel.com> | 2020-07-04 11:42:00 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2020-07-04 11:42:53 -0700 |
| commit | 120c5f1057dc50229f73bc75bbabf4df6ee50fef (patch) | |
| tree | ce1b4a9ba2a453ef9972b0a1e18ba7e31fab41df /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 21d8f66d20b813edadac84b12cc83b66eaeae630 (diff) | |
| download | llvm-120c5f1057dc50229f73bc75bbabf4df6ee50fef.zip llvm-120c5f1057dc50229f73bc75bbabf4df6ee50fef.tar.gz llvm-120c5f1057dc50229f73bc75bbabf4df6ee50fef.tar.bz2 | |
[DAGCombiner] Don't fold zext_vector_inreg/sext_vector_inreg(undef) to undef. Fold to 0.
zext_vector_inreg needs to produces 0s in the extended bits and
sext_vector_inreg needs to produce upper bits that are all the
same. So we should fold them to a 0 vector instead of undef.
Fixes PR46585.
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions