llvm-project/llvm/test/CodeGen/AMDGPU/simple-indirect-call.ll

52 lines
2.3 KiB
LLVM

; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -amdgpu-annotate-kernel-features %s | FileCheck -check-prefix=GCN %s
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck -check-prefix=GFX9 %s
target datalayout = "A5"
; GCN-LABEL: define internal void @indirect() #0 {
; GFX9-LABEL: {{^}}indirect:
define internal void @indirect() {
ret void
}
; GCN-LABEL: define amdgpu_kernel void @test_simple_indirect_call() #1 {
; GFX9-LABEL: {{^}}test_simple_indirect_call:
; GFX9: s_add_u32 flat_scratch_lo, s12, s17
; GFX9-NEXT: s_addc_u32 flat_scratch_hi, s13, 0
; GFX9-NEXT: s_mov_b32 s13, s15
; GFX9-NEXT: s_mov_b32 s12, s14
; GFX9-NEXT: s_load_dwordx2 s[14:15], s[4:5], 0x4
; GFX9-NEXT: s_add_u32 s0, s0, s17
; GFX9-NEXT: s_addc_u32 s1, s1, 0
; GFX9-NEXT: s_mov_b32 s32, 0
; GFX9-NEXT: s_waitcnt lgkmcnt(0)
; GFX9-NEXT: s_lshr_b32 s14, s14, 16
; GFX9-NEXT: s_mul_i32 s14, s14, s15
; GFX9-NEXT: v_mul_lo_u32 v3, s14, v0
; GFX9-NEXT: s_getpc_b64 s[18:19]
; GFX9-NEXT: s_add_u32 s18, s18, indirect@rel32@lo+4
; GFX9-NEXT: s_addc_u32 s19, s19, indirect@rel32@hi+12
; GFX9-NEXT: s_mov_b32 s14, s16
; GFX9-NEXT: v_mad_u32_u24 v3, v1, s15, v3
; GFX9-NEXT: v_add_lshl_u32 v5, v3, v2, 3
; GFX9-NEXT: v_mov_b32_e32 v3, s18
; GFX9-NEXT: v_lshlrev_b32_e32 v2, 20, v2
; GFX9-NEXT: v_lshlrev_b32_e32 v1, 10, v1
; GFX9-NEXT: v_mov_b32_e32 v4, s19
; GFX9-NEXT: v_or3_b32 v0, v0, v1, v2
; GFX9-NEXT: ds_write_b64 v5, v[3:4]
; GFX9-NEXT: s_swappc_b64 s[30:31], s[18:19]
; GFX9-NEXT: s_endpgm
define amdgpu_kernel void @test_simple_indirect_call() {
%fptr = alloca void()*, addrspace(5)
%fptr.cast = addrspacecast void()* addrspace(5)* %fptr to void()**
store void()* @indirect, void()** %fptr.cast
%fp = load void()*, void()** %fptr.cast
call void %fp()
ret void
}
; attributes #0 = { "amdgpu-dispatch-id" "amdgpu-dispatch-ptr" "amdgpu-implicitarg-ptr" "amdgpu-work-group-id-x" "amdgpu-work-group-id-y" "amdgpu-work-group-id-z" "amdgpu-work-item-id-x" "amdgpu-work-item-id-y" "amdgpu-work-item-id-z" }
; attributes #1 = { "amdgpu-dispatch-id" "amdgpu-dispatch-ptr" "amdgpu-implicitarg-ptr" "amdgpu-stack-objects" "amdgpu-work-group-id-x" "amdgpu-work-group-id-y" "amdgpu-work-group-id-z" "amdgpu-work-item-id-x" "amdgpu-work-item-id-y" "amdgpu-work-item-id-z" "uniform-work-group-size"="false" }