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