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 3 4declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0 5declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #0 6 7; SI-LABEL: {{^}}foo: 8; SI: .section .AMDGPU.csdata 9; SI: ; Kernel info: 10; SI: ; NumSgprs: {{[0-9]+}} 11; SI: ; NumVgprs: {{[0-9]+}} 12define 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 22 ret void 23} 24 25; SI-LABEL: {{^}}one_vgpr_used: 26; SI: NumVgprs: 1 27define void @one_vgpr_used(i32 addrspace(1)* %out, i32 %x) nounwind { 28 store i32 %x, i32 addrspace(1)* %out, align 4 29 ret void 30} 31