llvm/llvm/test/CodeGen/SystemZ/fp-strict-mul-05.ll

; Test strict multiplication of two f128s.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)
declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)

; There is no memory form of 128-bit multiplication.
define void @f1(ptr %ptr, float %f2) strictfp {
; CHECK-LABEL: f1:
; CHECK-DAG: lxebr %f0, %f0
; CHECK-DAG: ld %f1, 0(%r2)
; CHECK-DAG: ld %f3, 8(%r2)
; CHECK: mxbr %f0, %f1
; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2)
; CHECK: br %r14
  %f1 = load fp128, ptr %ptr
  %f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %f2,
                                               metadata !"fpexcept.strict") #0
  %diff = call fp128 @llvm.experimental.constrained.fmul.f128(
                        fp128 %f1, fp128 %f2x,
                        metadata !"round.dynamic",
                        metadata !"fpexcept.strict") #0
  store fp128 %diff, ptr %ptr
  ret void
}

attributes #0 = { strictfp }