[llvm] [RISCV] Set AllocationPriority in line with LMUL (PR #131176)

[Pengcheng Wang via llvm-commits]

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@@ -644,12 +644,12 @@ define <128 x i16> @test_expandload_v128i16(ptr %base, <128 x i1> %mask, <128 x
 ; CHECK-RV32-NEXT:    addi sp, sp, -16
 ; CHECK-RV32-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-RV32-NEXT:    csrr a1, vlenb
-; CHECK-RV32-NEXT:    li a2, 24
-; CHECK-RV32-NEXT:    mul a1, a1, a2
+; CHECK-RV32-NEXT:    slli a1, a1, 5
 ; CHECK-RV32-NEXT:    sub sp, sp, a1
-; CHECK-RV32-NEXT:    .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x10, 0x22, 0x11, 0x18, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 16 + 24 * vlenb
+; CHECK-RV32-NEXT:    .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x10, 0x22, 0x11, 0x20, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 16 + 32 * vlenb
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wangpc-pp wrote:

Regression.

https://github.com/llvm/llvm-project/pull/131176