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(parent: d5a9ea8) | patch
R600: Implement isTruncateFree
authorMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 10 Feb 2014 19:57:42 +0000 (19:57 +0000)
committerMatt Arsenault <Matthew.Arsenault@amd.com>
Mon, 10 Feb 2014 19:57:42 +0000 (19:57 +0000)
commit700bba297ba8a99c5dfd31ceaa894fbd1496a03e
treebd6585d253578cad7fb0bad810aa96fb63c0dc88tree | snapshot
parentd5a9ea8afe53af7b4436da8b1cb42a5388d6e62acommit | diff
R600: Implement isTruncateFree

Truncation is just accessing a subregister for any multiple of
the register size, so it's free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201107 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/R600/AMDGPUISelLowering.cpp diff | blob | history
lib/Target/R600/AMDGPUISelLowering.h diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors