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VLIW specific scheduler framework that utilizes deterministic finite automaton (DFA).

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This new scheduler plugs into the existing selection DAG scheduling framework. It is a top-down critical path scheduler that tracks register pressure and uses a DFA for pipeline modeling.

Patch by Sergei Larin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149547 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-02-01 22:13:57 +00:00
parent f18a9a2314
commit ee498d3254
16 changed files with 1142 additions and 7 deletions
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2
test/CodeGen/Hexagon/args.ll
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@@ -1,4 +1,4 @@
; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
; RUN: llc -march=hexagon -mcpu=hexagonv4 -disable-dfa-sched < %s | FileCheck %s
; CHECK: r[[T0:[0-9]+]] = #7
; CHECK: memw(r29 + #0) = r[[T0]]
; CHECK: r0 = #1