Remove the initialize_var instruction now that DI fully diagnoses initialization problems. Change String-to-NSString bridging to explicitly invoke String's default constructor; it was the last remaining user of initialize_var. Remove dead code to emit an implicit default constructor without a body.
Swift SVN r11066
new mark_unitialized instructions. These defeated the alloc_box to stack promotion
pass, so everything ended up on the heap, leading to really terrible performance.
This updates things to understand mark_uninitialized, allowing us to promote them.
This fixes rdar://15607469.
Swift SVN r10985
The empty tuple used for return value when none is supplied does not really correspond to user code. (We don’t have epilog, so mark it as pert of cleanup.)
The destroy_addr instructions are doing the cleanup.
Swift SVN r9765
clean up a couple random things in silcombiner:
- it shouldn't return "made any changes" out of the pass.
- statistics should be spelled out more and don't end with periods.
Swift SVN r9755
promote a lot more boxes. This is the last step to resolve
rdar://15228172 getting us back O(n) string performance. There is
still more work to do, but this is progress.
Swift SVN r9751
There are no values other than instructions that can use other values. BBArguments are
defs, not uses. This eliminates a bunch of casts in clients that use getUser().
Swift SVN r9701
Most alloc_stacks emitted by SILGen are temporaries and don't need to be preserved for debug info. It's only the ones that relate to local variables that we need to preserve. Fixes <rdar://problem/15272642>.
Swift SVN r9543
This will allow us to differentiate from regular inlined code (as in optimization inlining). Some passes(AllocBocToStack) and debug info would be allowed to be more aggressive/preserve less debug info with mandatory inlined code.
Swift SVN r9339
have it remove trivially dead operands of the dead instructions. On the
same testcase as last time, this eliminates a dead metatype, getting us to:
sil @_T1t1fFT_T_ : $@thin () -> () {
bb0:
%0 = tuple ()
%1 = alloc_stack $Int64 // var a // users: %7, %6
%2 = metatype $Int64.metatype
%3 = module #Builtin
%4 = integer_literal $Builtin.Int64, 1 // user: %5
%5 = struct $Int64 (%4 : $Builtin.Int64) // user: %6
store %5 to %1#1 : $*Int64
dealloc_stack %1#0 : $*@local_storage Int64
%8 = tuple () // user: %9
return %8 : $()
}
Swift SVN r9306
Make ApplyInst and PartialApplyInst directly take substitutions for generic functions instead of trying to stage out substitutions separately. The legacy reasons for doing this are gone.
Swift SVN r8747
This is was a very mechanical patch where I basically first renamed SILNodes.def
and then just kept fixing things until everything compiled, so even though it is
large patch I feel ok(ish) with committing it.
If anyone has any concerns/etc, please email me and I will revert in 1 second.
Swift SVN r7604
