File: fp-strict-sqrt-04.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; Test strict 128-bit floating-point square root on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s

declare fp128 @llvm.experimental.constrained.sqrt.f128(fp128, metadata, metadata)

define void @f1(ptr %ptr) strictfp {
; CHECK-LABEL: f1:
; CHECK-DAG: vl [[REG:%v[0-9]+]], 0(%r2)
; CHECK: wfsqxb [[RES:%v[0-9]+]], [[REG]]
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
  %f = load fp128, ptr %ptr
  %res = call fp128 @llvm.experimental.constrained.sqrt.f128(
                        fp128 %f,
                        metadata !"round.dynamic",
                        metadata !"fpexcept.strict") strictfp
  store fp128 %res, ptr %ptr
  ret void
}