Matt Arsenault | 253640e | 2016-10-13 13:10:00 +0000 | [diff] [blame^] | 1 | ; RUN: llc -O0 -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=OPTNONE %s |
| 2 | |
| 3 | ; GCN-LABEL: {{^}}store_to_undef: |
| 4 | |
| 5 | ; -O0 should assume spilling, so the input scratch resource descriptor |
| 6 | ; -should be used directly without any copies. |
| 7 | |
| 8 | ; OPTNONE-NOT: s_mov_b32 |
| 9 | ; OPTNONE: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[0:3], s7 offen{{$}} |
| 10 | define void @store_to_undef() #0 { |
| 11 | store volatile i32 0, i32* undef |
| 12 | ret void |
| 13 | } |
| 14 | |
| 15 | ; GCN-LABEL: {{^}}store_to_inttoptr: |
| 16 | define void @store_to_inttoptr() #0 { |
| 17 | store volatile i32 0, i32* inttoptr (i32 123 to i32*) |
| 18 | ret void |
| 19 | } |
| 20 | |
| 21 | ; GCN-LABEL: {{^}}load_from_undef: |
| 22 | define void @load_from_undef() #0 { |
| 23 | %ld = load volatile i32, i32* undef |
| 24 | ret void |
| 25 | } |
| 26 | |
| 27 | ; GCN-LABEL: {{^}}load_from_inttoptr: |
| 28 | define void @load_from_inttoptr() #0 { |
| 29 | %ld = load volatile i32, i32* inttoptr (i32 123 to i32*) |
| 30 | ret void |
| 31 | } |
| 32 | |
| 33 | attributes #0 = { nounwind } |