llvm-project/llvm/test/CodeGen/AMDGPU/divergence-driven-xnor.ll

45 lines
1.3 KiB
LLVM

; RUN: llc -march=amdgcn -stop-after=amdgpu-isel < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=gfx906 -stop-after=amdgpu-isel < %s | FileCheck -check-prefix=GCN_DL %s
; GCN-LABEL: name: uniform_xnor_i64
; GCN: S_XNOR_B64
define amdgpu_kernel void @uniform_xnor_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
%xor = xor i64 %a, %b
%res = xor i64 %xor, -1
store i64 %res, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: name: divergent_xnor_i64
; GCN: V_XOR_B32_e64
; GCN: V_XOR_B32_e64
; GCN: V_NOT_B32_e32
; GCN: V_NOT_B32_e32
; GCN_DL: V_XNOR_B32_e64
; GCN_DL: V_XNOR_B32_e64
define i64 @divergent_xnor_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
%xor = xor i64 %a, %b
%res = xor i64 %xor, -1
ret i64 %res
}
; GCN-LABEL: name: uniform_xnor_i32
; GCN: S_XNOR_B32
define amdgpu_kernel void @uniform_xnor_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
%xor = xor i32 %a, %b
%res = xor i32 %xor, -1
store i32 %res, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: name: divergent_xnor_i32
; GCN: V_XOR_B32_e64
; GCN: V_NOT_B32_e32
; GCN_DL: V_XNOR_B32_e64
define i32 @divergent_xnor_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
%xor = xor i32 %a, %b
%res = xor i32 %xor, -1
ret i32 %res
}
declare i32 @llvm.amdgcn.workitem.id.x() #0