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3 Commits

Author SHA1 Message Date
Matthias Braun 1acb55e67c ScheduleDAG: Match enum names when printing sdep kinds 
It is less confusing to have the same names in the debug print as the
enum members.

llvm-svn: 282273
 2016-09-23 18:28:31 +00:00
Jonas Paulsson ac29f01788 [ScheduleDAGInstrs::buildSchedGraph()] Handling of memory dependecies rewritten. 
Recommited, after some fixing with test cases.

Updated test cases:
test/CodeGen/AArch64/arm64-misched-memdep-bug.ll
test/CodeGen/AArch64/tailcall_misched_graph.ll

Temporarily disabled test cases:
test/CodeGen/AMDGPU/split-vector-memoperand-offsets.ll
test/CodeGen/PowerPC/ppc64-fastcc.ll (partially updated)
test/CodeGen/PowerPC/vsx-fma-m.ll
test/CodeGen/PowerPC/vsx-fma-sp.ll

http://reviews.llvm.org/D8705
Reviewers: Hal Finkel, Andy Trick.

llvm-svn: 259673
 2016-02-03 17:52:29 +00:00
Geoff Berry 12fe2279f3 ScheduleDAGInstrs: Bug fix for missed memory dependency. 
Summary:
In buildSchedGraph(), when adding memory dependencies for loads, move
the call to adjustChainDeps() after the call to
addChainDependency(AliasChain) to handle the case where
addChainDependency(AliasChain) ends up not adding a dependency and
instead putting the SU on the RejectMemNodes list.  The call to
adjustChainDeps() must be done after the call to addChainDependency() in
order to process the SU added to the RejectMemNodes list to create
memory dependencies for it.

Reviewers: hfinkel, atrick, jonpa, resistor

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D15927

llvm-svn: 256950
 2016-01-06 18:14:26 +00:00