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| author | Justin Holewinski <jholewinski@nvidia.com> | 2012-11-29 14:26:24 +0000 |
|---|---|---|
| committer | Justin Holewinski <jholewinski@nvidia.com> | 2012-11-29 14:26:24 +0000 |
| commit | 3d200255d5b93344c1ab0a5ba4b47a52cfa5893e (patch) | |
| tree | 8b2469b4bddabff7cec81ed6a162701eded27e00 /include/llvm/Target | |
| parent | 84af05e1ba3a97d98b76929df858edc7b8b0d252 (diff) | |
| download | llvm-3d200255d5b93344c1ab0a5ba4b47a52cfa5893e.tar.gz llvm-3d200255d5b93344c1ab0a5ba4b47a52cfa5893e.tar.bz2 llvm-3d200255d5b93344c1ab0a5ba4b47a52cfa5893e.tar.xz | |
Allow targets to prefer TypeSplitVector over TypePromoteInteger when computing the legalization method for vectors
For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 580a30fcd2..aaa5f51f35 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -159,6 +159,11 @@ public: virtual bool isSelectSupported(SelectSupportKind kind) const { return true; } + /// shouldSplitVectorElementType - Return true if a vector of the given type + /// should be split (TypeSplitVector) instead of promoted + /// (TypePromoteInteger) during type legalization. + virtual bool shouldSplitVectorElementType(EVT VT) const { return false; } + /// isIntDivCheap() - Return true if integer divide is usually cheaper than /// a sequence of several shifts, adds, and multiplies for this target. bool isIntDivCheap() const { return IntDivIsCheap; } |