[llvm] [X86] Support lowering for APX promoted BMI instructions. (PR #77433)

[Shengchen Kan via llvm-commits]

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@@ -1864,62 +1864,37 @@ def : Pat<(fshl GR64:$src1, GR64:$src2, (shiftMask64 CL)),
 def : Pat<(fshr GR64:$src2, GR64:$src1, (shiftMask64 CL)),
           (SHRD64rrCL GR64:$src1, GR64:$src2)>;
 
-let Predicates = [HasBMI2] in {
+multiclass bmi_shift_mask_patterns<SDNode op, string name, string Suffix = ""> {
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KanRobert wrote:

No need to pass "name" as an argument, you only need to use "defm SARX :" at line 1889.

https://github.com/llvm/llvm-project/pull/77433