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Diffstat (limited to 'docs/CommandGuide/lli.pod')
| -rw-r--r-- | docs/CommandGuide/lli.pod | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/docs/CommandGuide/lli.pod b/docs/CommandGuide/lli.pod index 25888c4e85..1bb3e9c4c2 100644 --- a/docs/CommandGuide/lli.pod +++ b/docs/CommandGuide/lli.pod @@ -40,11 +40,32 @@ the just-in-time compiler, at present. Record the amount of time needed for each code-generation pass and print it to standard error. +=item B<-triple>=I<target triple> + +Override the target triple specified in the input bytecode file with the +specified string. This may result in a crash if you pick an +architecture which is not compatible with the current system. + =item B<-march>=I<arch> -Use the specified non-default architecture arch when selecting a code generator -for the just-in-time compiler. This may result in a crash if you pick an -architecture which is not compatible with the hardware you are running B<lli> on. +Specify the architecture for which to generate assembly, overriding the target +encoded in the bytecode file. See the output of B<llc --help> for a list of +valid architectures. By default this is inferred from the target triple or +autodetected to the current architecture. + +=item B<-mcpu>=I<cpuname> + +Specify a specific chip in the current architecture to generate code for. +By default this is inferred from the target triple and autodetected to +the current architecture. For a list of available CPUs, use: +B<llvm-as E<lt> /dev/null | llc -march=xyz -mcpu=help> + +=item B<-mattr>=I<a1,+a2,-a3,...> + +Override or control specific attributes of the target, such as whether SIMD +operations are enabled or not. The default set of attributes is set by the +current CPU. For a list of available attributes, use: +B<llvm-as E<lt> /dev/null | llc -march=xyz -mattr=help> =item B<-force-interpreter>=I<{false,true}> |