1 ; RUN: llc -march=amdgcn -verify-machineinstrs -asm-verbose < %s | FileCheck -check-prefix=SI %s
2 ; RUN: llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -verify-machineinstrs -asm-verbose -mattr=-flat-for-global < %s | FileCheck -check-prefix=SI %s
4 declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
5 declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0
8 ; SI: .section .AMDGPU.csdata
10 ; SI: ; NumSgprs: {{[0-9]+}}
11 ; SI: ; NumVgprs: {{[0-9]+}}
12 define amdgpu_kernel void @foo(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %abase, i32 addrspace(1)* %bbase) nounwind {
13 %mbcnt.lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0);
14 %tid = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %mbcnt.lo)
15 %aptr = getelementptr i32, i32 addrspace(1)* %abase, i32 %tid
16 %bptr = getelementptr i32, i32 addrspace(1)* %bbase, i32 %tid
17 %outptr = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
18 %a = load i32, i32 addrspace(1)* %aptr, align 4
19 %b = load i32, i32 addrspace(1)* %bptr, align 4
20 %result = add i32 %a, %b
21 store i32 %result, i32 addrspace(1)* %outptr, align 4
25 ; SI-LABEL: {{^}}one_vgpr_used:
27 define amdgpu_kernel void @one_vgpr_used(i32 addrspace(1)* %out, i32 %x) nounwind {
28 store i32 %x, i32 addrspace(1)* %out, align 4