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.
46 lines
1.3 KiB
46 lines
1.3 KiB
4 months ago
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefix=GCN %s
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}select_undef_lhs:
|
||
|
|
; GCN: s_waitcnt
|
||
|
|
; GCN-NOT: v_cmp
|
||
|
|
; GCN-NOT: v_cndmask
|
||
|
|
; GCN-NEXT: s_setpc_b64
|
||
|
|
define float @select_undef_lhs(float %val, i1 %cond) {
|
||
|
|
%undef = call float @llvm.amdgcn.rcp.f32(float undef)
|
||
|
|
%sel = select i1 %cond, float %undef, float %val
|
||
|
|
ret float %sel
|
||
|
|
}
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}select_undef_rhs:
|
||
|
|
; GCN: s_waitcnt
|
||
|
|
; GCN-NOT: v_cmp
|
||
|
|
; GCN-NOT: v_cndmask
|
||
|
|
; GCN-NEXT: s_setpc_b64
|
||
|
|
define float @select_undef_rhs(float %val, i1 %cond) {
|
||
|
|
%undef = call float @llvm.amdgcn.rcp.f32(float undef)
|
||
|
|
%sel = select i1 %cond, float %val, float %undef
|
||
|
|
ret float %sel
|
||
|
|
}
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}select_undef_n1:
|
||
|
|
; GCN: v_mov_b32_e32 [[RES:v[0-9]+]], 1.0
|
||
|
|
; GCN: store_dword {{[^,]+}}, [[RES]]
|
||
|
|
define void @select_undef_n1(float addrspace(1)* %a, i32 %c) {
|
||
|
|
%cc = icmp eq i32 %c, 0
|
||
|
|
%sel = select i1 %cc, float 1.000000e+00, float undef
|
||
|
|
store float %sel, float addrspace(1)* %a
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; GCN-LABEL: {{^}}select_undef_n2:
|
||
|
|
; GCN: v_mov_b32_e32 [[RES:v[0-9]+]], 1.0
|
||
|
|
; GCN: store_dword {{[^,]+}}, [[RES]]
|
||
|
|
define void @select_undef_n2(float addrspace(1)* %a, i32 %c) {
|
||
|
|
%cc = icmp eq i32 %c, 0
|
||
|
|
%sel = select i1 %cc, float undef, float 1.000000e+00
|
||
|
|
store float %sel, float addrspace(1)* %a
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare float @llvm.amdgcn.rcp.f32(float)
|