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3bfc10ac74
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
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG %s
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declare float @llvm.r600.recipsqrt.ieee.f32(float) nounwind readnone
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; EG-LABEL: {{^}}recipsqrt.ieee_f32:
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; EG: RECIPSQRT_IEEE
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define void @recipsqrt.ieee_f32(float addrspace(1)* %out, float %src) nounwind {
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%recipsqrt.ieee = call float @llvm.r600.recipsqrt.ieee.f32(float %src) nounwind readnone
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store float %recipsqrt.ieee, float addrspace(1)* %out, align 4
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ret void
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}
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; TODO: Really these should be constant folded
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; EG-LABEL: {{^}}recipsqrt.ieee_f32_constant_4.0
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; EG: RECIPSQRT_IEEE
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define void @recipsqrt.ieee_f32_constant_4.0(float addrspace(1)* %out) nounwind {
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%recipsqrt.ieee = call float @llvm.r600.recipsqrt.ieee.f32(float 4.0) nounwind readnone
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store float %recipsqrt.ieee, float addrspace(1)* %out, align 4
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ret void
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}
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; EG-LABEL: {{^}}recipsqrt.ieee_f32_constant_100.0
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; EG: RECIPSQRT_IEEE
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define void @recipsqrt.ieee_f32_constant_100.0(float addrspace(1)* %out) nounwind {
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%recipsqrt.ieee = call float @llvm.r600.recipsqrt.ieee.f32(float 100.0) nounwind readnone
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store float %recipsqrt.ieee, float addrspace(1)* %out, align 4
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ret void
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}
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