mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-19 03:29:22 +00:00
58b563ce43
actual spec (int -> uint)
* Add the ability to get/cache the strlen function prototype.
* Make sure generated values are appropriately named for debugging purposes
* Add the SPrintFOptimiation for 4 casts of sprintf optimization:
sprintf(str,cstr) -> llvm.memcpy(str,cstr) (if cstr has no %)
sprintf(str,"") -> store sbyte 0, str
sprintf(str,"%s",src) -> llvm.memcpy(str,src) (if src is constant)
sprintf(str,"%c",chr) -> store chr, str ; store sbyte 0, str+1
The sprintf optimization didn't fire as much as I had hoped:
2 MultiSource/Applications/SPASS
5 MultiSource/Benchmarks/McCat/18-imp
22 MultiSource/Benchmarks/Prolangs-C/TimberWolfMC
1 MultiSource/Benchmarks/Prolangs-C/assembler
6 MultiSource/Benchmarks/Prolangs-C/unix-smail
2 MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21679 91177308-0d34-0410-b5e6-96231b3b80d8
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