| Changpeng Fang | 278a5b3 | 2016-03-10 16:47:15 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s |
| 2 | ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s |
| 3 | ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s |
| 4 | |
| 5 | ; FUNC-LABEL: {{^}}s_getreg_test: |
| Artem Tamazov | 5cd55b1 | 2016-04-27 15:17:03 +0000 | [diff] [blame] | 6 | ; CHECK: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23) |
| Changpeng Fang | 278a5b3 | 2016-03-10 16:47:15 +0000 | [diff] [blame] | 7 | define void @s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size. |
| 8 | %lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574) #0 |
| 9 | %lds_size_bytes = shl i32 %lds_size_64dwords, 8 |
| 10 | store i32 %lds_size_bytes, i32 addrspace(1)* %out |
| 11 | ret void |
| 12 | } |
| 13 | |
| 14 | declare i32 @llvm.amdgcn.s.getreg(i32) #0 |
| 15 | |
| 16 | attributes #0 = { nounwind readonly} |