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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AMDGPU/GlobalISel/lds-global-non-entry-func.ll
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

56 lines
2.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -amdgpu-enable-lower-module-lds=false -o - %s 2> %t | FileCheck --check-prefix=GFX8 %s
; RUN: FileCheck -check-prefix=ERR %s < %t
; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -amdgpu-enable-lower-module-lds=false -o - %s 2> %t | FileCheck --check-prefix=GFX9 %s
; RUN: FileCheck -check-prefix=ERR %s < %t
@lds = internal addrspace(3) global float undef, align 4
; ERR: warning: <unknown>:0:0: in function func_use_lds_global void (): local memory global used by non-kernel function
define void @func_use_lds_global() {
; GFX8-LABEL: func_use_lds_global:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: s_mov_b64 s[4:5], 0xc8
; GFX8-NEXT: v_mov_b32_e32 v0, 0
; GFX8-NEXT: s_mov_b32 m0, -1
; GFX8-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0
; GFX8-NEXT: s_waitcnt lgkmcnt(0)
; GFX8-NEXT: s_trap 2
; GFX8-NEXT: ds_write_b32 v0, v0
; GFX8-NEXT: s_waitcnt lgkmcnt(0)
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: func_use_lds_global:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: v_mov_b32_e32 v0, 0
; GFX9-NEXT: s_trap 2
; GFX9-NEXT: ds_write_b32 v0, v0
; GFX9-NEXT: s_waitcnt lgkmcnt(0)
; GFX9-NEXT: s_setpc_b64 s[30:31]
store float 0.0, ptr addrspace(3) @lds, align 4
ret void
}
; ERR: warning: <unknown>:0:0: in function func_use_lds_global_constexpr_cast void (): local memory global used by non-kernel function
define void @func_use_lds_global_constexpr_cast() {
; GFX8-LABEL: func_use_lds_global_constexpr_cast:
; GFX8: ; %bb.0:
; GFX8-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT: s_mov_b64 s[4:5], 0xc8
; GFX8-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x0
; GFX8-NEXT: s_waitcnt lgkmcnt(0)
; GFX8-NEXT: s_trap 2
; GFX8-NEXT: s_setpc_b64 s[30:31]
;
; GFX9-LABEL: func_use_lds_global_constexpr_cast:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: s_trap 2
; GFX9-NEXT: s_setpc_b64 s[30:31]
store i32 ptrtoint (ptr addrspace(3) @lds to i32), ptr addrspace(1) undef, align 4
ret void
}