47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck --check-prefix=GCN %s
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; GCN-LABEL: {{^}}rcp_uint:
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; GCN: v_rcp_iflag_f32_e32
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define amdgpu_kernel void @rcp_uint(i32 addrspace(1)* %in, float addrspace(1)* %out) #0 {
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%load = load i32, i32 addrspace(1)* %in, align 4
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%cvt = uitofp i32 %load to float
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%div = fdiv float 1.000000e+00, %cvt, !fpmath !0
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store float %div, float addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}rcp_sint:
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; GCN: v_rcp_iflag_f32_e32
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define amdgpu_kernel void @rcp_sint(i32 addrspace(1)* %in, float addrspace(1)* %out) #0 {
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%load = load i32, i32 addrspace(1)* %in, align 4
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%cvt = sitofp i32 %load to float
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%div = fdiv float 1.000000e+00, %cvt, !fpmath !0
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store float %div, float addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}rcp_uint_denorm:
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; GCN-NOT: v_rcp_iflag_f32
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define amdgpu_kernel void @rcp_uint_denorm(i32 addrspace(1)* %in, float addrspace(1)* %out) #1 {
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%load = load i32, i32 addrspace(1)* %in, align 4
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%cvt = uitofp i32 %load to float
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%div = fdiv float 1.000000e+00, %cvt
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store float %div, float addrspace(1)* %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}rcp_sint_denorm:
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; GCN-NOT: v_rcp_iflag_f32
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define amdgpu_kernel void @rcp_sint_denorm(i32 addrspace(1)* %in, float addrspace(1)* %out) #1 {
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%load = load i32, i32 addrspace(1)* %in, align 4
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%cvt = sitofp i32 %load to float
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%div = fdiv float 1.000000e+00, %cvt
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store float %div, float addrspace(1)* %out, align 4
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ret void
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}
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!0 = !{float 2.500000e+00}
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attributes #0 = { "denormal-fp-math-f32"="preserve-sign,preserve-sign" }
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attributes #1 = { "denormal-fp-math-f32"="ieee,ieee" }
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