[RISCV] Add Zca predicate to BrccCompressOpt patterns used for MinSize.

Previously we only checked for C.

Author: topperc

llvm/lib/Target/RISCV/RISCVInstrInfo.td

@@ -1419,7 +1419,7 @@ defm : BccPat<SETGE, BGE>;
 defm : BccPat<SETULT, BLTU>;
 defm : BccPat<SETUGE, BGEU>;
 
-let Predicates = [HasStdExtC, OptForMinSize] in {
+let Predicates = [HasStdExtCOrZca, OptForMinSize] in {
   def : BrccCompressOpt<SETEQ, BEQ>;
   def : BrccCompressOpt<SETNE, BNE>;
 }

llvm/test/CodeGen/RISCV/compress-opt-branch.ll

@@ -8,6 +8,11 @@
 ; RUN:   | llvm-objdump -d --triple=riscv32 --mattr=+c,+f,+d -M no-aliases - \
 ; RUN:   | FileCheck -check-prefix=RV32IFDC %s
 ;
+; RUN: llc -mtriple=riscv32 -target-abi ilp32d -mattr=+zca,+f,+d -filetype=obj \
+; RUN:   -disable-block-placement < %s \
+; RUN:   | llvm-objdump -d --triple=riscv32 --mattr=+zca,+f,+d -M no-aliases - \
+; RUN:   | FileCheck -check-prefix=RV32IFDC %s
+;
 ; RUN: llc -mtriple=riscv32 -target-abi ilp32d -mattr=-c,+f,+d -filetype=obj \
 ; RUN:   -disable-block-placement < %s \
 ; RUN:   | llvm-objdump -d --triple=riscv32 --mattr=-c,+f,+d -M no-aliases - \