| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,FUNC %s |
| ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,FUNC %s |
| ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s |
| ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VIGFX9,FUNC %s |
| |
| ; FUNC-LABEL: {{^}}ds_ordered_swap: |
| ; GCN: s_mov_b32 m0, s0 |
| ; VIGFX9-NEXT: s_nop 0 |
| ; GCN-NEXT: ds_ordered_count v{{[0-9]+}}, v0 offset:4868 gds |
| ; GCN-NEXT: s_waitcnt expcnt(0) lgkmcnt(0) |
| define amdgpu_cs float @ds_ordered_swap(i32 addrspace(2)* inreg %gds, i32 %value) { |
| %val = call i32@llvm.amdgcn.ds.ordered.swap(i32 addrspace(2)* %gds, i32 %value, i32 0, i32 0, i1 false, i32 1, i1 true, i1 true) |
| %r = bitcast i32 %val to float |
| ret float %r |
| } |
| |
| ; FUNC-LABEL: {{^}}ds_ordered_swap_conditional: |
| ; GCN: v_cmp_ne_u32_e32 vcc, 0, v0 |
| ; GCN: s_and_saveexec_b64 s[[SAVED:\[[0-9]+:[0-9]+\]]], vcc |
| ; // We have to use s_cbranch, because ds_ordered_count has side effects with EXEC=0 |
| ; GCN: s_cbranch_execz [[BB:BB._.]] |
| ; GCN: s_mov_b32 m0, s0 |
| ; VIGFX9-NEXT: s_nop 0 |
| ; GCN-NEXT: ds_ordered_count v{{[0-9]+}}, v0 offset:4868 gds |
| ; GCN-NEXT: [[BB]]: |
| ; // Wait for expcnt(0) before modifying EXEC |
| ; GCN-NEXT: s_waitcnt expcnt(0) |
| ; GCN-NEXT: s_or_b64 exec, exec, s[[SAVED]] |
| ; GCN-NEXT: s_waitcnt lgkmcnt(0) |
| define amdgpu_cs float @ds_ordered_swap_conditional(i32 addrspace(2)* inreg %gds, i32 %value) { |
| entry: |
| %c = icmp ne i32 %value, 0 |
| br i1 %c, label %if-true, label %endif |
| |
| if-true: |
| %val = call i32@llvm.amdgcn.ds.ordered.swap(i32 addrspace(2)* %gds, i32 %value, i32 0, i32 0, i1 false, i32 1, i1 true, i1 true) |
| br label %endif |
| |
| endif: |
| %v = phi i32 [ %val, %if-true ], [ undef, %entry ] |
| %r = bitcast i32 %v to float |
| ret float %r |
| } |
| |
| declare i32 @llvm.amdgcn.ds.ordered.swap(i32 addrspace(2)* nocapture, i32, i32, i32, i1, i32, i1, i1) |