1 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s 3 4 ; GCN-LABEL: {{^}}mbcnt_intrinsics: 5 ; GCN: v_mbcnt_lo_u32_b32{{(_e64)*}} [[LO:v[0-9]+]], -1, 0 6 ; SI: v_mbcnt_hi_u32_b32_e32 {{v[0-9]+}}, -1, [[LO]] 7 ; VI: v_mbcnt_hi_u32_b32 {{v[0-9]+}}, -1, [[LO]] 8 define amdgpu_ps void @mbcnt_intrinsics(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <32 x i8> addrspace(2)* inreg %arg2, i32 inreg %arg3) { 9 main_body: 10 %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0 11 %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo) #0 12 %tmp = bitcast i32 %hi to float 13 call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp, float %tmp, float %tmp, float %tmp, i1 true, i1 true) #1 14 ret void 15 } 16 17 ; GCN-LABEL: {{^}}mbcnt_lo_known_bits: 18 ; GCN: v_mbcnt_lo_u32_b32 19 ; GCN-NOT: and 20 define i32 @mbcnt_lo_known_bits(i32 %x, i32 %y) #0 { 21 %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 %x, i32 %y) 22 %mask = and i32 %lo, 63 23 ret i32 %mask 24 } 25 26 ; GCN-LABEL: {{^}}mbcnt_hi_known_bits: 27 ; GCN: v_mbcnt_hi_u32_b32 28 ; GCN-NOT: and 29 define i32 @mbcnt_hi_known_bits(i32 %x, i32 %y) #0 { 30 %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 %x, i32 %y) 31 %mask = and i32 %hi, 63 32 ret i32 %mask 33 } 34 35 declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0 36 declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0 37 declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #1 38 39 attributes #0 = { nounwind readnone } 40 attributes #1 = { nounwind } 41
