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path: root/llvm/lib/Target/TargetRecip.cpp
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* Make a bunch of static arrays const.Craig Topper2015-10-181-1/+1
| | | | llvm-svn: 250642
* Don't pass StringRefs around by const reference. Pass by value instead per ↵Craig Topper2015-09-211-5/+5
| | | | | | coding standards. NFC llvm-svn: 248136
* make reciprocal estimate code generation more flexible by adding ↵Sanjay Patel2015-06-041-0/+225
| | | | | | | | | | | | | | | | | | | | | | command-line options (3rd try) The first try (r238051) to land this was reverted due to ExecutionEngine build failure; that was hopefully addressed by r238788. The second try (r238842) to land this was reverted due to BUILD_SHARED_LIBS failure; that was hopefully addressed by r238953. This patch adds a TargetRecip class for processing many recip codegen possibilities. The class is intended to handle both command-line options to llc as well as options passed in from a front-end such as clang with the -mrecip option. The x86 backend is updated to use the new functionality. Only -mcpu=btver2 with -ffast-math should see a functional change from this patch. All other x86 CPUs continue to *not* use reciprocal estimates by default with -ffast-math. Differential Revision: http://reviews.llvm.org/D8982 llvm-svn: 239001
* Revert "make reciprocal estimate code generation more flexible by adding ↵Rafael Espindola2015-06-031-225/+0
| | | | | | | | | | command-line options (2nd try)" This reverts commit r238842. It broke -DBUILD_SHARED_LIBS=ON build. llvm-svn: 238900
* make reciprocal estimate code generation more flexible by adding ↵Sanjay Patel2015-06-021-0/+225
| | | | | | | | | | | | | | | | | | | command-line options (2nd try) The first try (r238051) to land this was reverted due to bot failures that were hopefully addressed by r238788. This patch adds a TargetRecip class for processing many recip codegen possibilities. The class is intended to handle both command-line options to llc as well as options passed in from a front-end such as clang with the -mrecip option. The x86 backend is updated to use the new functionality. Only -mcpu=btver2 with -ffast-math should see a functional change from this patch. All other x86 CPUs continue to *not* use reciprocal estimates by default with -ffast-math. Differential Revision: http://reviews.llvm.org/D8982 llvm-svn: 238842
* Revert "make reciprocal estimate code generation more flexible by adding ↵Rafael Espindola2015-05-231-225/+0
| | | | | | | | | | | | command-line options" This reverts commit r238051. It broke some bots: http://lab.llvm.org:8011/builders/llvm-ppc64-linux1/builds/18190 llvm-svn: 238075
* make reciprocal estimate code generation more flexible by adding ↵Sanjay Patel2015-05-221-0/+225
command-line options This patch adds a class for processing many recip codegen possibilities. The TargetRecip class is intended to handle both command-line options to llc as well as options passed in from a front-end such as clang with the -mrecip option. The x86 backend is updated to use the new functionality. Only -mcpu=btver2 with -ffast-math should see a functional change from this patch. All other CPUs continue to *not* use reciprocal estimates by default with -ffast-math. Differential Revision: http://reviews.llvm.org/D8982 llvm-svn: 238051
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