search for: machineregisterusageinfo

...set the regmask on a call, we might not > have to use the CC at all. Instead, if we've already codegened the > function, we might use a cache of 'exact' register masks computed during > codegen of the potential callees instead. > I am thinking to add a simple Immutable pass MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can maintain RegisterUsageInformation per function. Can it be simply done by using UsedPhysRegMask from MachineRegisterInfo ?? Here getCallPreservedMask will call API provided by MachineRegisterUsageInfo to avail the exact register mask but how it can k...

...call, we might not >> have to use the CC at all. Instead, if we've already codegened the >> function, we might use a cache of 'exact' register masks computed during >> codegen of the potential callees instead. >> > I am thinking to add a simple Immutable pass MachineRegisterUsageInfo > similar to MachineBranchProbabilityInfo that can maintain > RegisterUsageInformation per function. Can it be simply done by using > UsedPhysRegMask from MachineRegisterInfo ?? > > > No, like the comment said, UsedPhysRegMask gives only the registers > clobbered by calls: >...

...in order to set the regmask on a call, we might not have to use the CC at all. Instead, if we've already codegened the function, we might use a cache of 'exact' register masks computed during codegen of the potential callees instead. >> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can maintain RegisterUsageInformation per function. Can it be simply done by using UsedPhysRegMask from MachineRegisterInfo ?? > > No, like the comment said, UsedPhysRegMask gives only the registers clobbered by calls: > // This bit vector repr...

...>>> have to use the CC at all. Instead, if we've already codegened the >>> function, we might use a cache of 'exact' register masks computed during >>> codegen of the potential callees instead. >>> >> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo >> similar to MachineBranchProbabilityInfo that can maintain >> RegisterUsageInformation per function. Can it be simply done by using >> UsedPhysRegMask from MachineRegisterInfo ?? >> >> >> No, like the comment said, UsedPhysRegMask gives only the registers >&...

...> > > > > > masks > > > > > > computed during codegen of the potential callees instead. > > > > > > > > > > > > > > > > > > > > I am thinking to add a simple Immutable pass > > > > > MachineRegisterUsageInfo > > > > > similar to MachineBranchProbabilityInfo that can maintain > > > > > RegisterUsageInformation per function. Can it be simply done > > > > > by > > > > > using UsedPhysRegMask from MachineRegisterInfo ?? > > > > > &...

...e to use the CC at all. Instead, if we've already codegened the >>>> function, we might use a cache of 'exact' register masks computed during >>>> codegen of the potential callees instead. >>>> >>> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo >>> similar to MachineBranchProbabilityInfo that can maintain >>> RegisterUsageInformation per function. Can it be simply done by using >>> UsedPhysRegMask from MachineRegisterInfo ?? >>> >>> >>> No, like the comment said, UsedPhysRegMask gives...

...t; > > > > > instead. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I am thinking to add a simple Immutable pass > > > > > > > MachineRegisterUsageInfo > > > > > > > similar to MachineBranchProbabilityInfo that can maintain > > > > > > > RegisterUsageInformation per function. Can it be simply > > > > > > > done > > > > > > > by > > > > > > > us...

...at all. Instead, if we've already codegened the >>>>> function, we might use a cache of 'exact' register masks computed during >>>>> codegen of the potential callees instead. >>>>> >>>> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo >>>> similar to MachineBranchProbabilityInfo that can maintain >>>> RegisterUsageInformation per function. Can it be simply done by using >>>> UsedPhysRegMask from MachineRegisterInfo ?? >>>> >>>> >>>> No, like the comment said...

...if we've already codegened the >>>>>> function, we might use a cache of 'exact' register masks computed during >>>>>> codegen of the potential callees instead. >>>>>> >>>>> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo >>>>> similar to MachineBranchProbabilityInfo that can maintain >>>>> RegisterUsageInformation per function. Can it be simply done by using >>>>> UsedPhysRegMask from MachineRegisterInfo ?? >>>>> >>>>> >>>>> N...

...ask in order to set the regmask on a call, we might not have to use the CC at all. Instead, if we've already codegened the function, we might use a cache of 'exact' register masks computed during codegen of the potential callees instead. > I am thinking to add a simple Immutable pass MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can maintain RegisterUsageInformation per function. Can it be simply done by using UsedPhysRegMask from MachineRegisterInfo ?? > > No, like the comment said, UsedPhysRegMask gives only the registers clobbered by calls: > // This bit vector repr...

...in order to set the regmask on a call, we might not have to use the CC at all. Instead, if we've already codegened the function, we might use a cache of 'exact' register masks computed during codegen of the potential callees instead. >> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can maintain RegisterUsageInformation per function. Can it be simply done by using UsedPhysRegMask from MachineRegisterInfo ?? >> >> No, like the comment said, UsedPhysRegMask gives only the registers clobbered by calls: >> // This bit...

...ready codegened the >>>>>>> function, we might use a cache of 'exact' register masks computed during >>>>>>> codegen of the potential callees instead. >>>>>>> >>>>>> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo >>>>>> similar to MachineBranchProbabilityInfo that can maintain >>>>>> RegisterUsageInformation per function. Can it be simply done by using >>>>>> UsedPhysRegMask from MachineRegisterInfo ?? >>>>>> >>>>>> &g...

...call, we might not have to use the CC at all. Instead, if we've already codegened the function, we might use a cache of 'exact' register masks computed during codegen of the potential callees instead. >>>>>>>>>> I am thinking to add a simple Immutable pass MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can maintain RegisterUsageInformation per function. Can it be simply done by using UsedPhysRegMask from MachineRegisterInfo ?? >>>>>>>>>> >>>>>>>>>> No, like the comment said, UsedPhysRegMask g...

...gt;> function, we might use a cache of 'exact' register masks computed during >>>>>>>> codegen of the potential callees instead. >>>>>>>> >>>>>>> I am thinking to add a simple Immutable pass >>>>>>> MachineRegisterUsageInfo similar to MachineBranchProbabilityInfo that can >>>>>>> maintain RegisterUsageInformation per function. Can it be simply done by >>>>>>> using UsedPhysRegMask from MachineRegisterInfo ?? >>>>>>> >>>>>>> >>&gt...

...> > > > > > > > > > > > > > > > > > > > I am thinking to add a simple Immutable > > > > > > > > > > > > > > > pass > > > > > > > > > > > > > > > MachineRegisterUsageInfo > > > > > > > > > > > > > > > similar to MachineBranchProbabilityInfo > > > > > > > > > > > > > > > that > > > > > > > > > > > > > > > can > > > > >...

*Vivek Pandya* On Wed, May 11, 2016 at 10:02 AM, vivek pandya <vivekvpandya at gmail.com> wrote: > > > *Vivek Pandya* > > > On Wed, May 11, 2016 at 9:43 AM, Mehdi Amini <mehdi.amini at apple.com> > wrote: > >> >> On May 10, 2016, at 6:06 PM, Hal Finkel <hfinkel at anl.gov> wrote: >> >> >> >>