[llvm] [RISCV] Add codegen patterns to support short forward branches with immediates (PR #185643)

[via llvm-commits]

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@@ -1716,15 +1740,17 @@ def : QCISELECTICCIPat<SETNE,  QC_SELECTINEI>;
 def : QCISELECTICCIPatInv<SETEQ,  QC_SELECTINEI>;
 def : QCISELECTICCIPatInv<SETNE,  QC_SELECTIEQI>;
 
+def : QCISELECTIICCPat<SETEQ,  QC_SELECTIIEQ>;
+def : QCISELECTIICCPat<SETNE,  QC_SELECTIINE>;
+} // Predicates = [HasVendorXqcics, IsRV32]
+
+let Predicates = [HasVendorXqcics, NoShortForwardBranch, IsRV32] in {
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hchandel wrote:

I thought I had to disable for all the short forward branch optimizations. That's why used `NoShortForwardBranch` as it was stronger condition than `NoShortForwardBranchImm` in my view. Changed it now

https://github.com/llvm/llvm-project/pull/185643