DESCRIPTION

USAGE: pp-trace [options] <source0> [... <sourceN>] <arguments to be passed to front end>...

OPTIONS:

-asm-verbose - Add comments to directives.

-bounds-checking-single-trap - Use one trap block per function

-cppfname=<function name> - Specify the name of the generated function

-cppfor=<string> - Specify the name of the thing to generate

-cppgen - Choose what kind of output to generate

=program

- Generate a complete program

=module

- Generate a module definition

=contents

- Generate contents of a module

=function

- Generate a function definition

=functions

- Generate all function definitions

=inline

- Generate an inline function

=variable

- Generate a variable definition

=type

- Generate a type definition

-disable-debug-info-verifier -

-disable-spill-fusing - Disable fusing of spill code into instructions

-enable-correct-eh-support - Make the -lowerinvoke pass insert expensive, but correct, EH code

-enable-load-pre -

-enable-objc-arc-opts - enable/disable all ARC Optimizations

-enable-tbaa -

-fatal-assembler-warnings - Consider warnings as error

-fdata-sections - Emit data into separate sections

-ffunction-sections - Emit functions into separate sections

-help - Display available options (-help-hidden for more)

-ignore=<string> - Ignore callbacks, i.e. "Callback1, Callback2...".

-internalize-public-api-file=<filename> - A file containing list of symbol names to preserve

-internalize-public-api-list=<list> - A list of symbol names to preserve

-join-liveintervals - Coalesce copies (default=true)

-limit-float-precision=<uint> - Generate low-precision inline sequences for some float libcalls

-mc-x86-disable-arith-relaxation - Disable relaxation of arithmetic instruction for X86

-mips16-hard-float - MIPS: mips16 hard float enable.

-mno-ldc1-sdc1 - Expand double precision loads and stores to their single precision counterparts

-nvptx-sched4reg - NVPTX Specific: schedule for register pressue

-output=<string> - Output trace to the given file name or '-' for stdout.

-pre-RA-sched - Instruction schedulers available (before register allocation):

=vliw-td

- VLIW scheduler

=list-ilp

- Bottom-up register pressure aware list scheduling which tries to balance ILP and register pressure

=list-hybrid

- Bottom-up register pressure aware list scheduling which tries to balance latency and register pressure

=source

- Similar to list-burr but schedules in source order when possible

=list-burr

- Bottom-up register reduction list scheduling

=linearize

- Linearize DAG, no scheduling

=fast

- Fast suboptimal list scheduling

=default

- Best scheduler for the target

-print-after-all - Print IR after each pass

-print-before-all - Print IR before each pass

-print-machineinstrs=<pass-name> - Print machine instrs

-regalloc - Register allocator to use

=default

- pick register allocator based on -O option

=basic

- basic register allocator

=fast

- fast register allocator

=greedy

- greedy register allocator

=pbqp

- PBQP register allocator

-spiller - Spiller to use: (default: standard)

=trivial

- trivial spiller

=inline

- inline spiller

-stats - Enable statistics output from program (available with Asserts)

-time-passes - Time each pass, printing elapsed time for each on exit

-verify-dom-info - Verify dominator info (time consuming)

-verify-loop-info - Verify loop info (time consuming)

-verify-regalloc - Verify during register allocation

-verify-region-info - Verify region info (time consuming)

-verify-scev - Verify ScalarEvolution's backedge taken counts (slow)

-version - Display the version of this program

-x86-asm-syntax - Choose style of code to emit from X86 backend:

=att

- Emit AT&T-style assembly

=intel

- Emit Intel-style assembly