llvm-for-llvmta/test/CodeGen/AMDGPU/promote-alloca-invariant-ma...

27 lines
1.2 KiB
LLVM

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mtriple=amdgcn-- -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
target datalayout = "A5"
declare {}* @llvm.invariant.start.p5i8(i64, i8 addrspace(5)* nocapture) #0
declare void @llvm.invariant.end.p5i8({}*, i64, i8 addrspace(5)* nocapture) #0
declare i8 addrspace(5)* @llvm.launder.invariant.group.p5i8(i8 addrspace(5)*) #1
; GCN-LABEL: {{^}}use_invariant_promotable_lds:
; GCN: buffer_load_dword
; GCN: ds_write_b32
define amdgpu_kernel void @use_invariant_promotable_lds(i32 addrspace(1)* %arg) #2 {
bb:
%tmp = alloca i32, align 4, addrspace(5)
%tmp1 = bitcast i32 addrspace(5)* %tmp to i8 addrspace(5)*
%tmp2 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 1
%tmp3 = load i32, i32 addrspace(1)* %tmp2
store i32 %tmp3, i32 addrspace(5)* %tmp
%tmp4 = call {}* @llvm.invariant.start.p5i8(i64 4, i8 addrspace(5)* %tmp1) #0
call void @llvm.invariant.end.p5i8({}* %tmp4, i64 4, i8 addrspace(5)* %tmp1) #0
%tmp5 = call i8 addrspace(5)* @llvm.launder.invariant.group.p5i8(i8 addrspace(5)* %tmp1) #1
ret void
}
attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }