Remove amdgpu-num-vgpr

Author: rovka

llvm/test/CodeGen/AMDGPU/dynamic-vgpr-reserve-stack-for-cwsr.ll

@@ -92,59 +92,16 @@ define amdgpu_cs void @with_calls_no_inline_const() #0 {
   ret void
 }
 
-; We're going to limit this to 16 VGPRs, so we need to spill the rest.
-define amdgpu_cs void @with_spills(ptr addrspace(1) %p1, ptr addrspace(1) %p2) #1 {
+define amdgpu_cs void @with_spills() {
 ; CHECK-LABEL: with_spills:
 ; CHECK:       ; %bb.0:
 ; CHECK-NEXT:    s_getreg_b32 s33, hwreg(HW_REG_HW_ID2, 8, 2)
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off offset:96
+; CHECK-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
 ; CHECK-NEXT:    s_cmp_lg_u32 0, s33
 ; CHECK-NEXT:    s_cmovk_i32 s33, 0x1c0
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 offset:80 ; 16-byte Folded Spill
-; CHECK-NEXT:    s_clause 0x2
-; CHECK-NEXT:    global_load_b128 v[8:11], v[0:1], off offset:112
-; CHECK-NEXT:    global_load_b128 v[12:15], v[0:1], off offset:64
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off offset:80
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 offset:64 ; 16-byte Folded Spill
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off offset:32
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 offset:48 ; 16-byte Folded Spill
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off offset:48
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 offset:32 ; 16-byte Folded Spill
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 offset:16 ; 16-byte Folded Spill
-; CHECK-NEXT:    global_load_b128 v[4:7], v[0:1], off offset:16
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    scratch_store_b128 off, v[4:7], s33 ; 16-byte Folded Spill
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 offset:80 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    s_clause 0x2
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off offset:96
-; CHECK-NEXT:    global_store_b128 v[2:3], v[8:11], off offset:112
-; CHECK-NEXT:    global_store_b128 v[2:3], v[12:15], off offset:64
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 offset:64 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off offset:80
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 offset:48 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off offset:32
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 offset:32 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off offset:48
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 offset:16 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off
-; CHECK-NEXT:    scratch_load_b128 v[4:7], off, s33 th:TH_LOAD_LU ; 16-byte Folded Reload
-; CHECK-NEXT:    s_wait_loadcnt 0x0
-; CHECK-NEXT:    global_store_b128 v[2:3], v[4:7], off offset:16
 ; CHECK-NEXT:    s_alloc_vgpr 0
 ; CHECK-NEXT:    s_endpgm
-  %v = load <32 x i32>, ptr addrspace(1) %p1
-  store <32 x i32> %v, ptr addrspace(1) %p2
+  call void asm "; spills", "~{v40},~{v42}"()
   ret void
 }
 
@@ -258,5 +215,3 @@ define void @default() #0 {
 declare amdgpu_gfx void @callee(i32) #0
 
 attributes #0 = { nounwind }
-attributes #1 = { nounwind "amdgpu-num-vgpr"="16"}
-