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Convert a loop to a range-based for, using MachineInstr& instead of
MachineInstr* and removing an implicit conversion from iterator to
pointer.
llvm-svn: 274311
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llvm-svn: 267160
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Summary:
This new pass allows targets to use the hazard recognizer without having
to also run one of the schedulers. This is useful when compiling with
optimizations disabled for targets that still need noop hazards
to be handled correctly.
Reviewers: hfinkel, atrick
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D18594
llvm-svn: 267156
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both forward and backward scheduling. Rename it to
ScoreboardHazardRecognizer (Scoreboard is one word). Remove integer
division from the scoreboard's critical path.
llvm-svn: 121274
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take multiple cycles to decode.
For the current if-converter clients (actually only ARM), the instructions that
are predicated on false are not nops. They would still take machine cycles to
decode. Micro-coded instructions such as LDM / STM can potentially take multiple
cycles to decode. If-converter should take treat them as non-micro-coded
simple instructions.
llvm-svn: 113570
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(conservatively) aware of predicated instructions. This enables ARM to move if-conversion before post-ra scheduler.
llvm-svn: 106091
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- Rename ExactHazardRecognizer to PostRAHazardRecognizer and move its header to include to allow targets to extend it.
llvm-svn: 105959
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