88 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 | 
						|
; RUN: llc -mtriple=amdgcn-- -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
 | 
						|
 | 
						|
define amdgpu_ps void @i1_copy_from_loop(<4 x i32> inreg %rsrc, i32 %tid) {
 | 
						|
; SI-LABEL: i1_copy_from_loop:
 | 
						|
; SI:       ; %bb.0: ; %entry
 | 
						|
; SI-NEXT:    s_mov_b32 s14, 0
 | 
						|
; SI-NEXT:    s_mov_b64 s[4:5], 0
 | 
						|
; SI-NEXT:    ; implicit-def: $sgpr6_sgpr7
 | 
						|
; SI-NEXT:    ; implicit-def: $sgpr8_sgpr9
 | 
						|
; SI-NEXT:    s_branch .LBB0_3
 | 
						|
; SI-NEXT:  .LBB0_1: ; in Loop: Header=BB0_3 Depth=1
 | 
						|
; SI-NEXT:    ; implicit-def: $sgpr14
 | 
						|
; SI-NEXT:  .LBB0_2: ; %Flow
 | 
						|
; SI-NEXT:    ; in Loop: Header=BB0_3 Depth=1
 | 
						|
; SI-NEXT:    s_and_b64 s[12:13], exec, s[8:9]
 | 
						|
; SI-NEXT:    s_or_b64 s[4:5], s[12:13], s[4:5]
 | 
						|
; SI-NEXT:    s_andn2_b64 s[6:7], s[6:7], exec
 | 
						|
; SI-NEXT:    s_and_b64 s[10:11], s[10:11], exec
 | 
						|
; SI-NEXT:    s_or_b64 s[6:7], s[6:7], s[10:11]
 | 
						|
; SI-NEXT:    s_andn2_b64 exec, exec, s[4:5]
 | 
						|
; SI-NEXT:    s_cbranch_execz .LBB0_7
 | 
						|
; SI-NEXT:  .LBB0_3: ; %for.body
 | 
						|
; SI-NEXT:    ; =>This Inner Loop Header: Depth=1
 | 
						|
; SI-NEXT:    s_cmp_lt_u32 s14, 4
 | 
						|
; SI-NEXT:    s_cselect_b64 s[10:11], -1, 0
 | 
						|
; SI-NEXT:    s_or_b64 s[8:9], s[8:9], exec
 | 
						|
; SI-NEXT:    s_cmp_gt_u32 s14, 3
 | 
						|
; SI-NEXT:    s_cbranch_scc1 .LBB0_1
 | 
						|
; SI-NEXT:  ; %bb.4: ; %mid.loop
 | 
						|
; SI-NEXT:    ; in Loop: Header=BB0_3 Depth=1
 | 
						|
; SI-NEXT:    v_mov_b32_e32 v1, s14
 | 
						|
; SI-NEXT:    buffer_load_dword v1, v[0:1], s[0:3], 0 idxen offen
 | 
						|
; SI-NEXT:    s_mov_b64 s[10:11], -1
 | 
						|
; SI-NEXT:    s_waitcnt vmcnt(0)
 | 
						|
; SI-NEXT:    v_cmp_le_f32_e32 vcc, 0, v1
 | 
						|
; SI-NEXT:    s_mov_b64 s[8:9], -1
 | 
						|
; SI-NEXT:    s_and_saveexec_b64 s[12:13], vcc
 | 
						|
; SI-NEXT:  ; %bb.5: ; %end.loop
 | 
						|
; SI-NEXT:    ; in Loop: Header=BB0_3 Depth=1
 | 
						|
; SI-NEXT:    s_add_i32 s14, s14, 1
 | 
						|
; SI-NEXT:    s_xor_b64 s[8:9], exec, -1
 | 
						|
; SI-NEXT:  ; %bb.6: ; %Flow1
 | 
						|
; SI-NEXT:    ; in Loop: Header=BB0_3 Depth=1
 | 
						|
; SI-NEXT:    s_or_b64 exec, exec, s[12:13]
 | 
						|
; SI-NEXT:    s_branch .LBB0_2
 | 
						|
; SI-NEXT:  .LBB0_7: ; %for.end
 | 
						|
; SI-NEXT:    s_or_b64 exec, exec, s[4:5]
 | 
						|
; SI-NEXT:    s_and_saveexec_b64 s[0:1], s[6:7]
 | 
						|
; SI-NEXT:    s_cbranch_execz .LBB0_9
 | 
						|
; SI-NEXT:  ; %bb.8: ; %if
 | 
						|
; SI-NEXT:    exp mrt0 v0, v0, v0, v0 done vm
 | 
						|
; SI-NEXT:  .LBB0_9: ; %end
 | 
						|
; SI-NEXT:    s_endpgm
 | 
						|
entry:
 | 
						|
  br label %for.body
 | 
						|
 | 
						|
for.body:
 | 
						|
  %i = phi i32 [0, %entry], [%i.inc, %end.loop]
 | 
						|
  %cc = icmp ult i32 %i, 4
 | 
						|
  br i1 %cc, label %mid.loop, label %for.end
 | 
						|
 | 
						|
mid.loop:
 | 
						|
  %v = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %tid, i32 %i, i32 0, i32 0)
 | 
						|
  %cc2 = fcmp oge float %v, 0.0
 | 
						|
  br i1 %cc2, label %end.loop, label %for.end
 | 
						|
 | 
						|
end.loop:
 | 
						|
  %i.inc = add i32 %i, 1
 | 
						|
  br label %for.body
 | 
						|
 | 
						|
for.end:
 | 
						|
  br i1 %cc, label %if, label %end
 | 
						|
 | 
						|
if:
 | 
						|
  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float undef, float undef, float undef, float undef, i1 true, i1 true)
 | 
						|
  br label %end
 | 
						|
 | 
						|
end:
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
 | 
						|
declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #1
 | 
						|
 | 
						|
attributes #0 = { nounwind readonly }
 | 
						|
attributes #1 = { nounwind inaccessiblememonly }
 |