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| author | Vincent Lejeune <vljn@ovi.com> | 2013-07-31 19:32:12 +0000 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-07-31 19:32:12 +0000 |
| commit | 26db9ecfac98b2edbb5d45e13547e882bc2c3c03 (patch) | |
| tree | 2f8a309f87f6cccfc1ca2bc2e3a88d7a206a4e3a /lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp | |
| parent | 8e37705a736f45c16ed82ca675f7e413aa3bf90e (diff) | |
| download | external_llvm-26db9ecfac98b2edbb5d45e13547e882bc2c3c03.zip external_llvm-26db9ecfac98b2edbb5d45e13547e882bc2c3c03.tar.gz external_llvm-26db9ecfac98b2edbb5d45e13547e882bc2c3c03.tar.bz2 | |
R600: Do not mergevector after a vector reg is used
If we merge vector when a vector is used, it will generate an artificial
antidependency that can prevent 2 tex/vtx instructions to use the same
clause and thus generate extra clauses that reduce performance.
There is no test case as such situation is really hard to predict.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187516 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp')
0 files changed, 0 insertions, 0 deletions