mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-29 23:12:55 +01:00
37 lines
1.5 KiB
LLVM
37 lines
1.5 KiB
LLVM
; RUN: llc -verify-machineinstrs -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI %s
|
|
|
|
declare i32 @llvm.SI.tid() nounwind readnone
|
|
declare void @llvm.AMDGPU.barrier.local() nounwind noduplicate
|
|
|
|
; The required pointer calculations for the alloca'd actually requires
|
|
; an add and won't be folded into the addressing, which fails with a
|
|
; 64-bit pointer add. This should work since private pointers should
|
|
; be 32-bits.
|
|
|
|
; SI-LABEL: @test_private_array_ptr_calc:
|
|
; SI: V_ADD_I32_e32 [[PTRREG:v[0-9]+]]
|
|
;
|
|
; FIXME: The AMDGPUPromoteAlloca pass should be able to convert this
|
|
; alloca to a vector. It currently fails because it does not know how
|
|
; to interpret:
|
|
; getelementptr [4 x i32]* %alloca, i32 1, i32 %b
|
|
; SI: DS_WRITE_B32 {{v[0-9]+}}, [[PTRREG]]
|
|
define void @test_private_array_ptr_calc(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %inA, i32 addrspace(1)* noalias %inB) {
|
|
%alloca = alloca [4 x i32], i32 4, align 16
|
|
%tid = call i32 @llvm.SI.tid() readnone
|
|
%a_ptr = getelementptr i32 addrspace(1)* %inA, i32 %tid
|
|
%b_ptr = getelementptr i32 addrspace(1)* %inB, i32 %tid
|
|
%a = load i32 addrspace(1)* %a_ptr
|
|
%b = load i32 addrspace(1)* %b_ptr
|
|
%result = add i32 %a, %b
|
|
%alloca_ptr = getelementptr [4 x i32]* %alloca, i32 1, i32 %b
|
|
store i32 %result, i32* %alloca_ptr, align 4
|
|
; Dummy call
|
|
call void @llvm.AMDGPU.barrier.local() nounwind noduplicate
|
|
%reload = load i32* %alloca_ptr, align 4
|
|
%out_ptr = getelementptr i32 addrspace(1)* %out, i32 %tid
|
|
store i32 %reload, i32 addrspace(1)* %out_ptr, align 4
|
|
ret void
|
|
}
|
|
|