[llvm] [RISCV][VLOPT] Add fsqrt instruction to isSupportInstr (PR #127462)

[Luke Lau via llvm-commits]

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@@ -1318,11 +1318,10 @@ define void @sqrt_v6bf16(ptr %x) {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    vsetivli zero, 6, e16, m1, ta, ma
 ; CHECK-NEXT:    vle16.v v8, (a0)
-; CHECK-NEXT:    vsetivli zero, 8, e16, m1, ta, ma
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lukel97 wrote:

Isn't the call in LLVM IR in the default floating point environment, so nofpexcept should be set? I.e. I don't think fflags are observable unless using the constrained intrinsics

https://github.com/llvm/llvm-project/pull/127462