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llvm-mirror/test/CodeGen/AMDGPU/llvm.r600.recipsqrt.clamped.ll
Matt Arsenault 3bfc10ac74 AMDGPU: Remove legacy rsq.clamped intrinsic
Mesa still has a use of llvm.AMDGPU.rsq.f64 remaining.

Also fix mismatch with non-IEEE rsq selecting to IEEE rsq.

llvm-svn: 275617
2016-07-15 21:26:52 +00:00

12 lines
454 B
LLVM

; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG %s
declare float @llvm.r600.recipsqrt.clamped.f32(float) nounwind readnone
; EG-LABEL: {{^}}rsq_clamped_f32:
; EG: RECIPSQRT_CLAMPED
define void @rsq_clamped_f32(float addrspace(1)* %out, float %src) nounwind {
%rsq_clamped = call float @llvm.r600.recipsqrt.clamped.f32(float %src)
store float %rsq_clamped, float addrspace(1)* %out, align 4
ret void
}