You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.6 KiB
47 lines
1.6 KiB
; 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" }
|