llvm-project/llvm/test/CodeGen/SystemZ/fp-strict-sqrt-03.ll

24 lines
685 B
LLVM

; Test strict 128-bit square root.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare fp128 @llvm.experimental.constrained.sqrt.f128(fp128, metadata, metadata)
; There's no memory form of SQXBR.
define void @f1(fp128 *%ptr) {
; CHECK-LABEL: f1:
; CHECK: ld %f0, 0(%r2)
; CHECK: ld %f2, 8(%r2)
; CHECK: sqxbr %f0, %f0
; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2)
; CHECK: br %r14
%orig = load fp128, fp128 *%ptr
%sqrt = call fp128 @llvm.experimental.constrained.sqrt.f128(
fp128 %orig,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
store fp128 %sqrt, fp128 *%ptr
ret void
}