; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI %s
; RUN: llc < %s -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs | FileCheck --check-prefix=FLAT %s
define amdgpu_kernel void @break_inserted_outside_of_loop(ptr addrspace(1) %out, i32 %a) {
; SI-LABEL: break_inserted_outside_of_loop:
; SI: ; %bb.0: ; %main_body
; SI-NEXT: s_load_dword s0, s[2:3], 0xb
; SI-NEXT: v_mbcnt_lo_u32_b32_e64 v0, -1, 0
; SI-NEXT: s_waitcnt lgkmcnt(0)
; SI-NEXT: v_and_b32_e32 v0, s0, v0
; SI-NEXT: v_and_b32_e32 v0, 1, v0
; SI-NEXT: v_cmp_eq_u32_e32 vcc, 1, v0
; SI-NEXT: s_mov_b64 s[0:1], 0
; SI-NEXT: .LBB0_1: ; %ENDIF
; SI-NEXT: ; =>This Inner Loop Header: Depth=1
; SI-NEXT: s_and_b64 s[4:5], exec, vcc
; SI-NEXT: s_or_b64 s[0:1], s[4:5], s[0:1]
; SI-NEXT: s_andn2_b64 exec, exec, s[0:1]
; SI-NEXT: s_cbranch_execnz .LBB0_1
; SI-NEXT: ; %bb.2: ; %ENDLOOP
; SI-NEXT: s_or_b64 exec, exec, s[0:1]
; SI-NEXT: s_load_dwordx2 s[0:1], s[2:3], 0x9
; SI-NEXT: s_mov_b32 s3, 0xf000
; SI-NEXT: s_mov_b32 s2, -1
; SI-NEXT: v_mov_b32_e32 v0, 0
; SI-NEXT: s_waitcnt lgkmcnt(0)
; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0
; SI-NEXT: s_endpgm
;
; FLAT-LABEL: break_inserted_outside_of_loop:
; FLAT: ; %bb.0: ; %main_body
; FLAT-NEXT: s_load_dword s0, s[2:3], 0x2c
; FLAT-NEXT: v_mbcnt_lo_u32_b32 v0, -1, 0
; FLAT-NEXT: s_waitcnt lgkmcnt(0)
; FLAT-NEXT: v_and_b32_e32 v0, s0, v0
; FLAT-NEXT: v_and_b32_e32 v0, 1, v0
; FLAT-NEXT: v_cmp_eq_u32_e32 vcc, 1, v0
; FLAT-NEXT: s_mov_b64 s[0:1], 0
; FLAT-NEXT: .LBB0_1: ; %ENDIF
; FLAT-NEXT: ; =>This Inner Loop Header: Depth=1
; FLAT-NEXT: s_and_b64 s[4:5], exec, vcc
; FLAT-NEXT: s_or_b64 s[0:1], s[4:5], s[0:1]
; FLAT-NEXT: s_andn2_b64 exec, exec, s[0:1]
; FLAT-NEXT: s_cbranch_execnz .LBB0_1
; FLAT-NEXT: ; %bb.2: ; %ENDLOOP
; FLAT-NEXT: s_or_b64 exec, exec, s[0:1]
; FLAT-NEXT: s_load_dwordx2 s[0:1], s[2:3], 0x24
; FLAT-NEXT: s_mov_b32 s3, 0xf000
; FLAT-NEXT: s_mov_b32 s2, -1
; FLAT-NEXT: v_mov_b32_e32 v0, 0
; FLAT-NEXT: s_waitcnt lgkmcnt(0)
; FLAT-NEXT: buffer_store_dword v0, off, s[0:3], 0
; FLAT-NEXT: s_endpgm
main_body:
%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
%0 = and i32 %a, %tid
%1 = trunc i32 %0 to i1
br label %ENDIF
ENDLOOP:
store i32 0, ptr addrspace(1) %out
ret void
ENDIF:
br i1 %1, label %ENDLOOP, label %ENDIF
}
define amdgpu_kernel void @phi_cond_outside_loop(i32 %b) {
; SI-LABEL: phi_cond_outside_loop:
; SI: ; %bb.0: ; %entry
; SI-NEXT: v_mbcnt_lo_u32_b32_e64 v0, -1, 0
; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v0
; SI-NEXT: s_mov_b64 s[0:1], 0
; SI-NEXT: s_mov_b64 s[4:5], 0
; SI-NEXT: s_and_saveexec_b64 s[6:7], vcc
; SI-NEXT: s_cbranch_execz .LBB1_2
; SI-NEXT: ; %bb.1: ; %else
; SI-NEXT: s_load_dword s2, s[2:3], 0x9
; SI-NEXT: s_waitcnt lgkmcnt(0)
; SI-NEXT: s_cmp_eq_u32 s2, 0
; SI-NEXT: s_cselect_b64 s[2:3], -1, 0
; SI-NEXT: s_and_b64 s[4:5], s[2:3], exec
; SI-NEXT: .LBB1_2: ; %endif
; SI-NEXT: s_or_b64 exec, exec, s[6:7]
; SI-NEXT: .LBB1_3: ; %loop
; SI-NEXT: ; =>This Inner Loop Header: Depth=1
; SI-NEXT: s_and_b64 s[2:3], exec, s[4:5]
; SI-NEXT: s_or_b64 s[0:1], s[2:3], s[0:1]
; SI-NEXT: s_andn2_b64 exec, exec, s[0:1]
; SI-NEXT: s_cbranch_execnz .LBB1_3
; SI-NEXT: ; %bb.4: ; %exit
; SI-NEXT: s_endpgm
;
; FLAT-LABEL: phi_cond_outside_loop:
; FLAT: ; %bb.0: ; %entry
; FLAT-NEXT: v_mbcnt_lo_u32_b32 v0, -1, 0
; FLAT-NEXT: v_cmp_ne_u32_e32 vcc, 0, v0
; FLAT-NEXT: s_mov_b64 s[0:1], 0
; FLAT-NEXT: s_mov_b64 s[4:5], 0
; FLAT-NEXT: s_and_saveexec_b64 s[6:7], vcc
; FLAT-NEXT: s_cbranch_execz .LBB1_2
; FLAT-NEXT: ; %bb.1: ; %else
; FLAT-NEXT: s_load_dword s2, s[2:3], 0x24
; FLAT-NEXT: s_waitcnt lgkmcnt(0)
; FLAT-NEXT: s_cmp_eq_u32 s2, 0
; FLAT-NEXT: s_cselect_b64 s[2:3], -1, 0
; FLAT-NEXT: s_and_b64 s[4:5], s[2:3], exec
; FLAT-NEXT: .LBB1_2: ; %endif
; FLAT-NEXT: s_or_b64 exec, exec, s[6:7]
; FLAT-NEXT: .LBB1_3: ; %loop
; FLAT-NEXT: ; =>This Inner Loop Header: Depth=1
; FLAT-NEXT: s_and_b64 s[2:3], exec, s[4:5]
; FLAT-NEXT: s_or_b64 s[0:1], s[2:3], s[0:1]
; FLAT-NEXT: s_andn2_b64 exec, exec, s[0:1]
; FLAT-NEXT: s_cbranch_execnz .LBB1_3
; FLAT-NEXT: ; %bb.4: ; %exit
; FLAT-NEXT: s_endpgm
entry:
%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
%0 = icmp eq i32 %tid , 0
br i1 %0, label %if, label %else
if:
br label %endif
else:
%1 = icmp eq i32 %b, 0
br label %endif
endif:
%2 = phi i1 [0, %if], [%1, %else]
br label %loop
loop:
br i1 %2, label %exit, label %loop
exit:
ret void
}
define amdgpu_kernel void @switch_unreachable(ptr addrspace(1) %g, ptr addrspace(3) %l, i32 %x) nounwind {
; SI-LABEL: switch_unreachable:
; SI: ; %bb.0: ; %centry
;
; FLAT-LABEL: switch_unreachable:
; FLAT: ; %bb.0: ; %centry
centry:
switch i32 %x, label %sw.default [
i32 0, label %sw.bb
i32 60, label %sw.bb
]
sw.bb:
unreachable
sw.default:
unreachable
sw.epilog:
ret void
}
declare float @llvm.fabs.f32(float) nounwind readnone
define amdgpu_kernel void @loop_land_info_assert(i32 %c0, i32 %c1, i32 %c2, i32 %c3, i32 %x, i32 %y, i1 %arg) nounwind {
; SI-LABEL: loop_land_info_assert:
; SI: ; %bb.0: ; %entry
; SI-NEXT: s_load_dword s0, s[2:3], 0xa
; SI-NEXT: s_waitcnt lgkmcnt(0)
; SI-NEXT: s_cmp_lt_i32 s0, 4
; SI-NEXT: s_cbranch_scc1 .LBB3_4
; SI-NEXT: ; %bb.1: ; %for.cond.preheader
; SI-NEXT: s_load_dword s0, s[2:3], 0xc
; SI-NEXT: s_waitcnt lgkmcnt(0)
; SI-NEXT: s_cmpk_lt_i32 s0, 0x3e8
; SI-NEXT: s_cbranch_scc0 .LBB3_4
; SI-NEXT: ; %bb.2: ; %for.body
; SI-NEXT: s_and_b64 vcc, exec, 0
; SI-NEXT: .LBB3_3: ; %self.loop
; SI-NEXT: ; =>This Inner Loop Header: Depth=1
; SI-NEXT: s_mov_b64 vcc, vcc
; SI-NEXT: s_cbranch_vccz .LBB3_3
; SI-NEXT: .LBB3_4: ; %DummyReturnBlock
; SI-NEXT: s_endpgm
;
; FLAT-LABEL: loop_land_info_assert:
; FLAT: ; %bb.0: ; %entry
; FLAT-NEXT: s_load_dword s0, s[2:3], 0x28
; FLAT-NEXT: s_waitcnt lgkmcnt(0)
; FLAT-NEXT: s_cmp_lt_i32 s0, 4
; FLAT-NEXT: s_cbranch_scc1 .LBB3_4
; FLAT-NEXT: ; %bb.1: ; %for.cond.preheader
; FLAT-NEXT: s_load_dword s0, s[2:3], 0x30
; FLAT-NEXT: s_waitcnt lgkmcnt(0)
; FLAT-NEXT: s_cmpk_lt_i32 s0, 0x3e8
; FLAT-NEXT: s_cbranch_scc0 .LBB3_4
; FLAT-NEXT: ; %bb.2: ; %for.body
; FLAT-NEXT: s_and_b64 vcc, exec, 0
; FLAT-NEXT: .LBB3_3: ; %self.loop
; FLAT-NEXT: ; =>This Inner Loop Header: Depth=1
; FLAT-NEXT: s_mov_b64 vcc, vcc
; FLAT-NEXT: s_cbranch_vccz .LBB3_3
; FLAT-NEXT: .LBB3_4: ; %DummyReturnBlock
; FLAT-NEXT: s_endpgm
entry:
%cmp = icmp sgt i32 %c0, 0
br label %while.cond.outer
while.cond.outer:
%tmp = load float, ptr addrspace(1) undef
br label %while.cond
while.cond:
%cmp1 = icmp slt i32 %c1, 4
br i1 %cmp1, label %convex.exit, label %for.cond
convex.exit:
%or = or i1 %cmp, %cmp1
br i1 %or, label %return, label %if.end
if.end:
%tmp3 = call float @llvm.fabs.f32(float %tmp) nounwind readnone
%cmp2 = fcmp olt float %tmp3, 0x3E80000000000000
br i1 %cmp2, label %if.else, label %while.cond.outer
if.else:
store volatile i32 3, ptr addrspace(1) undef, align 4
br label %while.cond
for.cond:
%cmp3 = icmp slt i32 %c3, 1000
br i1 %cmp3, label %for.body, label %return
for.body:
br i1 %cmp3, label %self.loop, label %if.end.2
if.end.2:
%or.cond2 = or i1 %cmp3, %arg
br i1 %or.cond2, label %return, label %for.cond
self.loop:
br label %self.loop
return:
ret void
}
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
attributes #0 = { nounwind readnone }
Codebase Browser
llvm