| ; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck --check-prefix=TONGA %s |
| |
| ; On Tonga and Iceland, limited SGPR availability means care must be taken to |
| ; allocate scratch registers correctly. Check that this test compiles without |
| ; error. |
| ; TONGA-LABEL: test |
| define void @test(<256 x i32> addrspace(1)* %out, <256 x i32> addrspace(1)* %in) { |
| entry: |
| %tid = call i32 @llvm.SI.tid() nounwind readnone |
| %aptr = getelementptr <256 x i32>, <256 x i32> addrspace(1)* %in, i32 %tid |
| %a = load <256 x i32>, <256 x i32> addrspace(1)* %aptr |
| call void asm sideeffect "", "~{memory}" () |
| %outptr = getelementptr <256 x i32>, <256 x i32> addrspace(1)* %in, i32 %tid |
| store <256 x i32> %a, <256 x i32> addrspace(1)* %outptr |
| |
| ; mark 128-bit SGPR registers as used so they are unavailable for the |
| ; scratch resource descriptor |
| call void asm sideeffect "", "~{SGPR4},~{SGPR8},~{SGPR12},~{SGPR16},~{SGPR20},~{SGPR24},~{SGPR28}" () |
| call void asm sideeffect "", "~{SGPR32},~{SGPR36},~{SGPR40},~{SGPR44},~{SGPR48},~{SGPR52},~{SGPR56}" () |
| call void asm sideeffect "", "~{SGPR60},~{SGPR64},~{SGPR68}" () |
| ret void |
| } |
| |
| declare i32 @llvm.SI.tid() nounwind readnone |
