diff options
| author | Dan Gohman <dan433584@gmail.com> | 2015-11-23 16:19:56 +0000 |
|---|---|---|
| committer | Dan Gohman <dan433584@gmail.com> | 2015-11-23 16:19:56 +0000 |
| commit | 3280793234d1feb348596726ef2ee0cf1e6593d2 (patch) | |
| tree | 72d491fc7ff5ed4fae536e2b18dcea4a3d68ade3 /llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp | |
| parent | 2b561336d92ffcdfa37fb31ac2219975a1998a41 (diff) | |
| download | llvm-3280793234d1feb348596726ef2ee0cf1e6593d2.zip llvm-3280793234d1feb348596726ef2ee0cf1e6593d2.tar.gz llvm-3280793234d1feb348596726ef2ee0cf1e6593d2.tar.bz2 | |
[WebAssembly] Use dominator information to improve BLOCK placement
Always starting blocks at the top of their containing loops works, but creates
unnecessarily deep nesting because it makes all blocks in a loop overlap.
Refine the BLOCK placement algorithm to start blocks at nearest common
dominating points instead, which significantly shrinks them and reduces
overlapping.
llvm-svn: 253876
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp')
0 files changed, 0 insertions, 0 deletions