| ; RUN: llc -march=amdgcn -verify-machineinstrs -asm-verbose < %s | FileCheck -check-prefix=SI %s |
| ; RUN: llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -verify-machineinstrs -asm-verbose -mattr=-flat-for-global < %s | FileCheck -check-prefix=SI %s |
| |
| declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0 |
| declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0 |
| |
| ; SI-LABEL: {{^}}foo: |
| ; SI: .section .AMDGPU.csdata |
| ; SI: ; Kernel info: |
| ; SI: ; NumSgprs: {{[0-9]+}} |
| ; SI: ; NumVgprs: {{[0-9]+}} |
| define amdgpu_kernel void @foo(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %abase, i32 addrspace(1)* %bbase) nounwind { |
| %mbcnt.lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0); |
| %tid = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %mbcnt.lo) |
| %aptr = getelementptr i32, i32 addrspace(1)* %abase, i32 %tid |
| %bptr = getelementptr i32, i32 addrspace(1)* %bbase, i32 %tid |
| %outptr = getelementptr i32, i32 addrspace(1)* %out, i32 %tid |
| %a = load i32, i32 addrspace(1)* %aptr, align 4 |
| %b = load i32, i32 addrspace(1)* %bptr, align 4 |
| %result = add i32 %a, %b |
| store i32 %result, i32 addrspace(1)* %outptr, align 4 |
| ret void |
| } |
| |
| ; SI-LABEL: {{^}}one_vgpr_used: |
| ; SI: NumVgprs: 1 |
| define amdgpu_kernel void @one_vgpr_used(i32 addrspace(1)* %out, i32 %x) nounwind { |
| store i32 %x, i32 addrspace(1)* %out, align 4 |
| ret void |
| } |