| Tom Stellard | 7c840bc | 2015-03-16 15:53:55 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s |
| 2 | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s |
| 3 | |
| 4 | declare double @llvm.maxnum.f64(double, double) nounwind readnone |
| 5 | |
| 6 | ; SI-LABEL: {{^}}test_fmax3_f64: |
| Nikolay Haustov | 4f672a3 | 2016-04-29 09:02:30 +0000 | [diff] [blame^] | 7 | ; SI-DAG: buffer_load_dwordx2 [[REGA:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0{{$}} |
| 8 | ; SI-DAG: buffer_load_dwordx2 [[REGB:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:8 |
| 9 | ; SI-DAG: buffer_load_dwordx2 [[REGC:v\[[0-9]+:[0-9]+\]]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:16 |
| Tom Stellard | 7c840bc | 2015-03-16 15:53:55 +0000 | [diff] [blame] | 10 | ; SI: v_max_f64 [[REGA]], [[REGA]], [[REGB]] |
| 11 | ; SI: v_max_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[REGA]], [[REGC]] |
| 12 | ; SI: buffer_store_dwordx2 [[RESULT]], |
| 13 | ; SI: s_endpgm |
| 14 | define void @test_fmax3_f64(double addrspace(1)* %out, double addrspace(1)* %aptr) nounwind { |
| 15 | %bptr = getelementptr double, double addrspace(1)* %aptr, i32 1 |
| 16 | %cptr = getelementptr double, double addrspace(1)* %aptr, i32 2 |
| Matt Arsenault | 44e5483 | 2016-04-12 13:38:18 +0000 | [diff] [blame] | 17 | %a = load volatile double, double addrspace(1)* %aptr, align 8 |
| 18 | %b = load volatile double, double addrspace(1)* %bptr, align 8 |
| 19 | %c = load volatile double, double addrspace(1)* %cptr, align 8 |
| Tom Stellard | 7c840bc | 2015-03-16 15:53:55 +0000 | [diff] [blame] | 20 | %f0 = call double @llvm.maxnum.f64(double %a, double %b) nounwind readnone |
| 21 | %f1 = call double @llvm.maxnum.f64(double %f0, double %c) nounwind readnone |
| 22 | store double %f1, double addrspace(1)* %out, align 8 |
| 23 | ret void |
| 24 | } |