llvm-project/llvm/test/CodeGen/AMDGPU/rcp_iflag.ll

24 lines
831 B
LLVM

; RUN: llc -march=amdgcn -mattr=-fp32-denormals -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) {
%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) {
%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
}
!0 = !{float 2.500000e+00}