[llvm] [RISCV] Support postRA vsetvl insertion pass (PR #70549)

[Philip Reames via llvm-commits]

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@@ -19,9 +19,9 @@ define <2 x half> @nearbyint_v2f16(<2 x half> %v) strictfp {
 ; CHECK-NEXT:    frflags a0
 ; CHECK-NEXT:    vfcvt.x.f.v v9, v8, v0.t
 ; CHECK-NEXT:    vfcvt.f.x.v v9, v9, v0.t
-; CHECK-NEXT:    fsflags a0
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preames wrote:

These are interesting, but not important.  We're apparently treating vsetvli as if it modifies fflags.  We should probably fix that at some point.  

https://github.com/llvm/llvm-project/pull/70549