[PATCH] D153193: [LoongArch] Optimize conditional selection of integer

[hev via Phabricator via llvm-commits]

hev marked an inline comment as done.
hev added inline comments.


================
Comment at: llvm/lib/Target/LoongArch/LoongArchInstrInfo.td:1202
 
+def : Pat<(select GPR:$cond, GPR:$t, (i32 0)), (MASKEQZ GPR:$t, GPR:$cond)>;
+def : Pat<(select GPR:$cond, (i32 0), GPR:$f), (MASKNEZ GPR:$f, GPR:$cond)>;
----------------
xry111 wrote:
> Can we just write
> 
> ```
> def : Pat<(select GPR:$cond, GPR:$t, 0), (MASKEQZ GPR:$t, GPR:$cond)>;
> ```
> 
> here?  I see RISC-V uses an untyped 0 in similar select patterns.
Yeap, thanks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153193/new/

https://reviews.llvm.org/D153193