aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/R600/llvm.AMDGPU.legacy.rsq.ll
blob: 6e3fa25ff9ea6f2056c914c745b3402dc3d96dd6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s

declare float @llvm.AMDGPU.legacy.rsq(float) nounwind readnone

; FUNC-LABEL: {{^}}rsq_legacy_f32:
; SI: v_rsq_legacy_f32_e32
; EG: RECIPSQRT_IEEE
define void @rsq_legacy_f32(float addrspace(1)* %out, float %src) nounwind {
  %rsq = call float @llvm.AMDGPU.legacy.rsq(float %src) nounwind readnone
  store float %rsq, float addrspace(1)* %out, align 4
  ret void
}