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| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2018-11-28 08:58:27 +0000 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2018-11-28 08:58:27 +0000 |
| commit | 06acb3a236594c93b9deefa2229d805b310c1e60 (patch) | |
| tree | e9c69a19ae4bf9e247c939d6fd28ce900c42bebe /llvm/lib/Support/TargetParser.cpp | |
| parent | d6b7aca911bf77783b9e5f78fe0777fc874ee4ba (diff) | |
| download | bcm5719-llvm-06acb3a236594c93b9deefa2229d805b310c1e60.tar.gz bcm5719-llvm-06acb3a236594c93b9deefa2229d805b310c1e60.zip | |
[SystemZ::TTI] Improve cost for compare of i64 with extended i32 load
CGF/CLGF compares an i64 register with a sign/zero extended loaded i32 value
in memory.
This patch makes such a load considered foldable and so gets a 0 cost.
Review: Ulrich Weigand
https://reviews.llvm.org/D54944
llvm-svn: 347735
Diffstat (limited to 'llvm/lib/Support/TargetParser.cpp')
0 files changed, 0 insertions, 0 deletions
