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| author | Craig Topper <craig.topper@intel.com> | 2019-06-01 19:40:07 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2019-06-01 19:40:07 +0000 |
| commit | 7cebf0af4076c7d198ef8ef90b79d1ff422a42cd (patch) | |
| tree | 525e928b02d880c35c6bf0972e4945b0cca81b86 /llvm/lib/Transforms/Utils/SimplifyIndVar.cpp | |
| parent | cd1878d0f957f72e34b378d25742dbc886f079bc (diff) | |
| download | llvm-7cebf0af4076c7d198ef8ef90b79d1ff422a42cd.zip llvm-7cebf0af4076c7d198ef8ef90b79d1ff422a42cd.tar.gz llvm-7cebf0af4076c7d198ef8ef90b79d1ff422a42cd.tar.bz2 | |
[InlineCost] Don't add the soft float function call cost for the fneg idiom, fsub -0.0, %x
Summary: Fneg can be implemented with an xor rather than a function call so we don't need to add the function call overhead. This was pointed out in D62699
Reviewers: efriedma, cameron.mcinally
Reviewed By: efriedma
Subscribers: javed.absar, eraman, hiraditya, haicheng, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D62747
llvm-svn: 362304
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyIndVar.cpp')
0 files changed, 0 insertions, 0 deletions