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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-25 14:29:25 +0000 |
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| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-10-25 14:29:25 +0000 |
| commit | 5c3c9707c32923e5acae0f7d2253e60da4e89096 (patch) | |
| tree | b1c57c68844b4da1de54e560bf8384bef25e0cc1 /clang/lib/Driver/ToolChains.cpp | |
| parent | 426e6f71f80b52f0e46fdf28add25525b30e657c (diff) | |
| download | bcm5719-llvm-5c3c9707c32923e5acae0f7d2253e60da4e89096.tar.gz bcm5719-llvm-5c3c9707c32923e5acae0f7d2253e60da4e89096.zip | |
[X86][SSE] Add support for (V)PMOVSX* constant folding
We already have (V)PMOVZX* combining support, this is the beginning of handling (V)PMOVSX* similarly - other combines in combineVSZext can be generalized in future patches.
This unearthed an interesting bug in that we were generating illegal build vectors on 32-bit targets - it was proving difficult to create a test for it from PMOVZX, but it fired immediately with PMOVSX. I've created a more general form of the existing getConstVector to handle these cases - ideally this should be handled in non-target-specific code but I couldn't find an equivalent.
Differential Revision: https://reviews.llvm.org/D25874
llvm-svn: 285072
Diffstat (limited to 'clang/lib/Driver/ToolChains.cpp')
0 files changed, 0 insertions, 0 deletions
