[llvm] [RISCV] Add compress patterns for qc.extu and qc.mvltui (PR #140682)

[via llvm-commits]

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@@ -1501,6 +1503,8 @@ def : CompressPat<(BSETI GPRC:$rs1, GPRC:$rs1, uimmlog2xlennonzero:$shamt),
                   (QC_C_BSETI GPRC:$rs1, uimmlog2xlennonzero:$shamt)>;
 def : CompressPat<(BEXTI GPRC:$rs1, GPRC:$rs1, uimmlog2xlennonzero:$shamt),
                   (QC_C_BEXTI GPRC:$rs1, uimmlog2xlennonzero:$shamt)>;
+def : CompressPat<(QC_EXTU GPRC:$rd, GPRC:$rd, 1, uimmlog2xlennonzero:$shamt),
+                  (QC_C_BEXTI GPRC:$rd, uimmlog2xlennonzero:$shamt)>;
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hchandel wrote:

Done.

https://github.com/llvm/llvm-project/pull/140682