Hexagon: Avoid implicit iterator conversions, NFC

Avoid implicit iterator conversions from MachineInstrBundleIterator to
MachineInstr* in the Hexagon backend, mostly by preferring MachineInstr&
over

Hexagon: Avoid implicit iterator conversions, NFC

Avoid implicit iterator conversions from MachineInstrBundleIterator to
MachineInstr* in the Hexagon backend, mostly by preferring MachineInstr&
over MachineInstr* and switching to range-based for loops.

There's a long tail of API cleanup here, but I'm planning to leave the
rest to the Hexagon maintainers. HexagonInstrInfo defines many of its
own predicates, and most of them still take MachineInstr*. Some of
those actually check for nullptr, so I didn't feel comfortable changing
them to MachineInstr& en masse.

llvm-svn: 275142

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Apply clang-tidy's misc-static-assert where it makes sense.

Also fold conditions into assert(0) where it makes sense. No functional
change intended.

llvm-svn: 270982

Add optimization bisect opt-in calls for Hexagon passes

Differential Revision: http://reviews.llvm.org/D19509

llvm-svn: 267593

[NFC] Header cleanup

Removed some unused headers, replaced some headers with forward class declarations.

Found using simple scripts like this one:
clear && ack --cpp -l '#include "llvm/ADT/IndexedM

[NFC] Header cleanup

Removed some unused headers, replaced some headers with forward class declarations.

Found using simple scripts like this one:
clear && ack --cpp -l '#include "llvm/ADT/IndexedMap.h"' | xargs grep -L 'IndexedMap[<]' | xargs grep -n --color=auto 'IndexedMap'

Patch by Eugene Kosov <claprix@yandex.ru>

Differential Revision: http://reviews.llvm.org/D19219

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266595

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WIP: CodeGen: Use MachineInstr& in MachineInstrBundle.h, NFC

Update APIs in MachineInstrBundle.h to take and return MachineInstr&
instead of MachineInstr* when the instruction cannot be null. Besid

WIP: CodeGen: Use MachineInstr& in MachineInstrBundle.h, NFC

Update APIs in MachineInstrBundle.h to take and return MachineInstr&
instead of MachineInstr* when the instruction cannot be null. Besides
being a nice cleanup, this is tacking toward a fix for PR26753.

llvm-svn: 262141

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Fix some comment typos.

llvm-svn: 244402

Fix NDEBUG build warning

llvm-svn: 242200

Fix Windows build: replace __func__ with LLVM_FUNCTION_NAME

llvm-svn: 242192

[Hexagon] Generate instructions for operations on predicate registers

Convert logical operations on general-purpose registers to the correspon-
ding operations on predicate registers.

llvm-svn: 242

[Hexagon] Generate instructions for operations on predicate registers

Convert logical operations on general-purpose registers to the correspon-
ding operations on predicate registers.

llvm-svn: 242186

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