derek.holloway
7502bf64a4
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471 lines
17 KiB
LLVM
471 lines
17 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc -global-isel -mtriple=amdgcn-amd-amdpal -mcpu=gfx1010 -new-reg-bank-select < %s | FileCheck -check-prefix=GFX10 %s
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define void @temporal_divergent_i1_phi(float %val, ptr %addr) {
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; GFX10-LABEL: temporal_divergent_i1_phi:
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; GFX10: ; %bb.0: ; %entry
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; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX10-NEXT: s_mov_b32 s4, 0
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; GFX10-NEXT: s_mov_b32 s5, 1
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; GFX10-NEXT: s_mov_b32 s6, 0
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; GFX10-NEXT: ; implicit-def: $sgpr7
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; GFX10-NEXT: .LBB0_1: ; %loop
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; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1
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; GFX10-NEXT: v_cvt_f32_u32_e32 v3, s6
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; GFX10-NEXT: s_and_b32 s8, s5, 1
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; GFX10-NEXT: s_cmp_lg_u32 s8, 0
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; GFX10-NEXT: s_cselect_b32 s8, exec_lo, 0
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; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v3, v0
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; GFX10-NEXT: s_xor_b32 s5, s5, 1
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; GFX10-NEXT: s_add_i32 s6, s6, 1
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; GFX10-NEXT: s_or_b32 s4, vcc_lo, s4
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; GFX10-NEXT: s_andn2_b32 s7, s7, exec_lo
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; GFX10-NEXT: s_and_b32 s8, exec_lo, s8
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; GFX10-NEXT: s_or_b32 s7, s7, s8
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; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s4
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; GFX10-NEXT: s_cbranch_execnz .LBB0_1
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; GFX10-NEXT: ; %bb.2: ; %exit
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; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s4
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; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1.0, s7
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; GFX10-NEXT: flat_store_dword v[1:2], v0
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; GFX10-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-NEXT: s_setpc_b64 s[30:31]
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entry:
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br label %loop
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loop:
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%counter = phi i32 [ 0, %entry ], [ %counterPlus1, %loop ]
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%bool_counter = phi i1 [ true, %entry ], [ %neg_bool_counter, %loop ]
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%neg_bool_counter = xor i1 %bool_counter, true
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%fcounter = uitofp i32 %counter to float
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%cond = fcmp ogt float %fcounter, %val
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%counterPlus1 = add i32 %counter, 1
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br i1 %cond, label %exit, label %loop
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exit:
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%select = select i1 %bool_counter, float 1.000000e+00, float 0.000000e+00
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store float %select, ptr %addr
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ret void
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}
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define void @temporal_divergent_i1_non_phi(float %val, ptr %addr) {
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; GFX10-LABEL: temporal_divergent_i1_non_phi:
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; GFX10: ; %bb.0: ; %entry
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; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX10-NEXT: s_mov_b32 s4, 0
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; GFX10-NEXT: s_mov_b32 s5, 1
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; GFX10-NEXT: s_mov_b32 s6, 0
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; GFX10-NEXT: ; implicit-def: $sgpr7
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; GFX10-NEXT: .LBB1_1: ; %loop
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; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1
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; GFX10-NEXT: v_cvt_f32_u32_e32 v3, s6
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; GFX10-NEXT: s_xor_b32 s5, s5, 1
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; GFX10-NEXT: s_and_b32 s8, s5, 1
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; GFX10-NEXT: s_cmp_lg_u32 s8, 0
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; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v3, v0
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; GFX10-NEXT: s_cselect_b32 s8, exec_lo, 0
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; GFX10-NEXT: s_add_i32 s6, s6, 1
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; GFX10-NEXT: s_or_b32 s4, vcc_lo, s4
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; GFX10-NEXT: s_andn2_b32 s7, s7, exec_lo
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; GFX10-NEXT: s_and_b32 s8, exec_lo, s8
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; GFX10-NEXT: s_or_b32 s7, s7, s8
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; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s4
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; GFX10-NEXT: s_cbranch_execnz .LBB1_1
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; GFX10-NEXT: ; %bb.2: ; %exit
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; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s4
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; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1.0, s7
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; GFX10-NEXT: flat_store_dword v[1:2], v0
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; GFX10-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-NEXT: s_setpc_b64 s[30:31]
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entry:
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br label %loop
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loop:
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%counter = phi i32 [ 0, %entry ], [ %counterPlus1, %loop ]
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%bool_counter = phi i1 [ true, %entry ], [ %neg_bool_counter, %loop ]
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%neg_bool_counter = xor i1 %bool_counter, true
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%fcounter = uitofp i32 %counter to float
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%cond = fcmp ogt float %fcounter, %val
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%counterPlus1 = add i32 %counter, 1
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br i1 %cond, label %exit, label %loop
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exit:
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%select = select i1 %neg_bool_counter, float 1.000000e+00, float 0.000000e+00
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store float %select, ptr %addr
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ret void
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}
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; This is temporal divergent uniform i1 structurize-cfg phi.
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; Loop has uniform condition if with body with break at the end.
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define amdgpu_cs void @loop_with_1break(ptr addrspace(1) %x, i32 %x.size, ptr addrspace(1) inreg %a, ptr addrspace(1) inreg %a.break) {
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; GFX10-LABEL: loop_with_1break:
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; GFX10: ; %bb.0: ; %entry
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; GFX10-NEXT: v_mov_b32_e32 v3, 0
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; GFX10-NEXT: s_mov_b32 s4, 0
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; GFX10-NEXT: s_mov_b32 s8, 0
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; GFX10-NEXT: ; implicit-def: $sgpr10
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; GFX10-NEXT: ; implicit-def: $sgpr9
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; GFX10-NEXT: s_branch .LBB2_3
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; GFX10-NEXT: .LBB2_1: ; %loop.body
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; GFX10-NEXT: ; in Loop: Header=BB2_3 Depth=1
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; GFX10-NEXT: v_mov_b32_e32 v4, s6
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; GFX10-NEXT: v_mov_b32_e32 v5, s7
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; GFX10-NEXT: s_andn2_b32 s6, s10, exec_lo
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; GFX10-NEXT: s_mov_b32 s5, 0
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; GFX10-NEXT: v_add_co_u32 v4, vcc_lo, v0, v4
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; GFX10-NEXT: v_add_co_ci_u32_e32 v5, vcc_lo, v1, v5, vcc_lo
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; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s4, v2
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; GFX10-NEXT: s_add_i32 s4, s4, 1
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; GFX10-NEXT: global_load_dword v6, v[4:5], off
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; GFX10-NEXT: s_and_b32 s7, exec_lo, vcc_lo
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; GFX10-NEXT: s_or_b32 s10, s6, s7
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; GFX10-NEXT: s_waitcnt vmcnt(0)
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; GFX10-NEXT: v_add_nc_u32_e32 v6, 1, v6
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; GFX10-NEXT: global_store_dword v[4:5], v6, off
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; GFX10-NEXT: .LBB2_2: ; %Flow
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; GFX10-NEXT: ; in Loop: Header=BB2_3 Depth=1
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; GFX10-NEXT: s_cmp_lg_u32 s5, 0
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; GFX10-NEXT: s_cselect_b32 s5, exec_lo, 0
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; GFX10-NEXT: s_and_b32 s6, exec_lo, s10
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; GFX10-NEXT: s_or_b32 s8, s6, s8
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; GFX10-NEXT: s_andn2_b32 s6, s9, exec_lo
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; GFX10-NEXT: s_and_b32 s5, exec_lo, s5
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; GFX10-NEXT: s_or_b32 s9, s6, s5
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; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0)
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; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8
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; GFX10-NEXT: s_cbranch_execz .LBB2_5
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; GFX10-NEXT: .LBB2_3: ; %A
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; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1
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; GFX10-NEXT: s_ashr_i32 s5, s4, 31
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; GFX10-NEXT: s_lshl_b64 s[6:7], s[4:5], 2
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; GFX10-NEXT: s_add_u32 s12, s0, s6
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; GFX10-NEXT: s_addc_u32 s13, s1, s7
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; GFX10-NEXT: global_load_dword v4, v3, s[12:13]
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; GFX10-NEXT: s_waitcnt vmcnt(0)
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; GFX10-NEXT: v_readfirstlane_b32 s5, v4
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; GFX10-NEXT: s_cmp_lg_u32 s5, 0
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; GFX10-NEXT: s_cselect_b32 s5, 1, 0
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; GFX10-NEXT: s_andn2_b32 s10, s10, exec_lo
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; GFX10-NEXT: s_and_b32 s11, exec_lo, exec_lo
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; GFX10-NEXT: s_or_b32 s10, s10, s11
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; GFX10-NEXT: s_cmp_lg_u32 s5, 0
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; GFX10-NEXT: s_cbranch_scc1 .LBB2_1
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; GFX10-NEXT: ; %bb.4: ; in Loop: Header=BB2_3 Depth=1
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; GFX10-NEXT: s_mov_b32 s5, 1
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; GFX10-NEXT: ; implicit-def: $sgpr4
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; GFX10-NEXT: s_branch .LBB2_2
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; GFX10-NEXT: .LBB2_5: ; %loop.exit.guard
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; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8
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; GFX10-NEXT: s_and_saveexec_b32 s0, s9
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; GFX10-NEXT: s_xor_b32 s0, exec_lo, s0
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; GFX10-NEXT: s_cbranch_execz .LBB2_7
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; GFX10-NEXT: ; %bb.6: ; %break.body
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; GFX10-NEXT: v_mov_b32_e32 v0, 10
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; GFX10-NEXT: v_mov_b32_e32 v1, 0
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; GFX10-NEXT: global_store_dword v1, v0, s[2:3]
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; GFX10-NEXT: .LBB2_7: ; %exit
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; GFX10-NEXT: s_endpgm
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entry:
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br label %A
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A:
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%counter = phi i32 [ %counter.plus.1, %loop.body ], [ 0, %entry ]
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%a.plus.counter = getelementptr inbounds i32, ptr addrspace(1) %a, i32 %counter
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%a.val = load i32, ptr addrspace(1) %a.plus.counter
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%a.cond = icmp eq i32 %a.val, 0
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br i1 %a.cond, label %break.body, label %loop.body
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break.body:
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store i32 10, ptr addrspace(1) %a.break
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br label %exit
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loop.body:
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%x.plus.counter = getelementptr inbounds i32, ptr addrspace(1) %x, i32 %counter
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%x.val = load i32, ptr addrspace(1) %x.plus.counter
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%x.val.plus.1 = add i32 %x.val, 1
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store i32 %x.val.plus.1, ptr addrspace(1) %x.plus.counter
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%counter.plus.1 = add i32 %counter, 1
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%x.cond = icmp ult i32 %counter, %x.size
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br i1 %x.cond, label %exit, label %A
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exit:
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ret void
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}
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; Temporal divergence i1 across inner and outer nested loops
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define void @nested_loops_temporal_divergence_inner(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) {
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; GFX10-LABEL: nested_loops_temporal_divergence_inner:
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; GFX10: ; %bb.0: ; %entry
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; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0
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; GFX10-NEXT: s_mov_b32 s6, 0
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; GFX10-NEXT: s_mov_b32 s8, 0
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; GFX10-NEXT: .LBB3_1: ; %OuterHeader
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; GFX10-NEXT: ; =>This Loop Header: Depth=1
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; GFX10-NEXT: ; Child Loop BB3_2 Depth 2
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; GFX10-NEXT: s_ashr_i32 s7, s6, 31
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; GFX10-NEXT: s_mov_b32 s4, s5
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; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2
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; GFX10-NEXT: ; implicit-def: $sgpr9
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; GFX10-NEXT: v_mov_b32_e32 v6, s10
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; GFX10-NEXT: v_mov_b32_e32 v7, s11
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; GFX10-NEXT: s_mov_b32 s10, 0
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; GFX10-NEXT: s_mov_b32 s11, 0
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; GFX10-NEXT: v_add_co_u32 v6, vcc_lo, v2, v6
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; GFX10-NEXT: v_add_co_ci_u32_e32 v7, vcc_lo, v3, v7, vcc_lo
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; GFX10-NEXT: flat_load_dword v0, v[6:7]
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; GFX10-NEXT: .LBB3_2: ; %InnerHeader
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; GFX10-NEXT: ; Parent Loop BB3_1 Depth=1
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; GFX10-NEXT: ; => This Inner Loop Header: Depth=2
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; GFX10-NEXT: v_cvt_f32_u32_e32 v6, s11
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; GFX10-NEXT: s_mov_b32 s12, exec_lo
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; GFX10-NEXT: s_add_i32 s11, s11, 1
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; GFX10-NEXT: s_xor_b32 s4, s4, s12
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; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
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; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v6, v0
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; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10
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; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo
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; GFX10-NEXT: s_and_b32 s12, exec_lo, s4
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; GFX10-NEXT: s_or_b32 s9, s9, s12
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; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10
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; GFX10-NEXT: s_cbranch_execnz .LBB3_2
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; GFX10-NEXT: ; %bb.3: ; %UseInst
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; GFX10-NEXT: ; in Loop: Header=BB3_1 Depth=1
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; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10
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; GFX10-NEXT: v_mov_b32_e32 v6, s6
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; GFX10-NEXT: v_mov_b32_e32 v7, s7
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; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1
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; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9
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; GFX10-NEXT: s_add_i32 s6, s6, 1
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; GFX10-NEXT: v_add_co_u32 v6, s4, v4, v6
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; GFX10-NEXT: v_add_co_ci_u32_e64 v7, s4, v5, v7, s4
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; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8
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; GFX10-NEXT: flat_store_byte v[6:7], v0
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; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0)
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; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8
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; GFX10-NEXT: s_cbranch_execnz .LBB3_1
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; GFX10-NEXT: ; %bb.4: ; %exit
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; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8
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; GFX10-NEXT: s_waitcnt lgkmcnt(0)
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; GFX10-NEXT: s_setpc_b64 s[30:31]
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entry:
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%pre.cond = fcmp ogt float %pre.cond.val, 1.0
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br label %OuterHeader
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OuterHeader:
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%i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ]
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%mat.i = getelementptr float, ptr %mat, i32 %i
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%val.i = load float, ptr %mat.i
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br label %InnerHeader
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InnerHeader:
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%j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ]
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%bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ]
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%odd.even.counter = xor i1 %bool.counter, true
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%f.j = uitofp i32 %j to float
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%j.plus.1 = add i32 %j, 1
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%cond.j = fcmp ogt float %f.j, %val.i
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br i1 %cond.j, label %UseInst, label %InnerHeader
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UseInst:
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%mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i
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; mat.oe[i] = oddOReven(mat[i])
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store i1 %odd.even.counter, ptr %mat.oe.i
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br label %OuterLatch
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OuterLatch:
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%cond.i = icmp ult i32 %i, %n.i
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%i.plus.1 = add i32 %i, 1
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br i1 %cond.i, label %exit, label %OuterHeader
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exit:
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ret void
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}
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define void @nested_loops_temporal_divergence_outer(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) {
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; GFX10-LABEL: nested_loops_temporal_divergence_outer:
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; GFX10: ; %bb.0: ; %entry
|
|
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0
|
|
; GFX10-NEXT: s_mov_b32 s6, 0
|
|
; GFX10-NEXT: s_mov_b32 s8, 0
|
|
; GFX10-NEXT: .LBB4_1: ; %OuterHeader
|
|
; GFX10-NEXT: ; =>This Loop Header: Depth=1
|
|
; GFX10-NEXT: ; Child Loop BB4_2 Depth 2
|
|
; GFX10-NEXT: s_ashr_i32 s7, s6, 31
|
|
; GFX10-NEXT: s_mov_b32 s4, s5
|
|
; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2
|
|
; GFX10-NEXT: ; implicit-def: $sgpr9
|
|
; GFX10-NEXT: v_mov_b32_e32 v6, s10
|
|
; GFX10-NEXT: v_mov_b32_e32 v7, s11
|
|
; GFX10-NEXT: s_mov_b32 s10, 0
|
|
; GFX10-NEXT: s_mov_b32 s11, 0
|
|
; GFX10-NEXT: v_add_co_u32 v6, vcc_lo, v2, v6
|
|
; GFX10-NEXT: v_add_co_ci_u32_e32 v7, vcc_lo, v3, v7, vcc_lo
|
|
; GFX10-NEXT: flat_load_dword v0, v[6:7]
|
|
; GFX10-NEXT: .LBB4_2: ; %InnerHeader
|
|
; GFX10-NEXT: ; Parent Loop BB4_1 Depth=1
|
|
; GFX10-NEXT: ; => This Inner Loop Header: Depth=2
|
|
; GFX10-NEXT: v_cvt_f32_u32_e32 v6, s11
|
|
; GFX10-NEXT: s_mov_b32 s12, exec_lo
|
|
; GFX10-NEXT: s_add_i32 s11, s11, 1
|
|
; GFX10-NEXT: s_xor_b32 s4, s4, s12
|
|
; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v6, v0
|
|
; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10
|
|
; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo
|
|
; GFX10-NEXT: s_and_b32 s12, exec_lo, s4
|
|
; GFX10-NEXT: s_or_b32 s9, s9, s12
|
|
; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10
|
|
; GFX10-NEXT: s_cbranch_execnz .LBB4_2
|
|
; GFX10-NEXT: ; %bb.3: ; %UseInst
|
|
; GFX10-NEXT: ; in Loop: Header=BB4_1 Depth=1
|
|
; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10
|
|
; GFX10-NEXT: v_mov_b32_e32 v6, s6
|
|
; GFX10-NEXT: v_mov_b32_e32 v7, s7
|
|
; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1
|
|
; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9
|
|
; GFX10-NEXT: s_add_i32 s6, s6, 1
|
|
; GFX10-NEXT: v_add_co_u32 v6, s4, v4, v6
|
|
; GFX10-NEXT: v_add_co_ci_u32_e64 v7, s4, v5, v7, s4
|
|
; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8
|
|
; GFX10-NEXT: flat_store_byte v[6:7], v0
|
|
; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0)
|
|
; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8
|
|
; GFX10-NEXT: s_cbranch_execnz .LBB4_1
|
|
; GFX10-NEXT: ; %bb.4: ; %exit
|
|
; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8
|
|
; GFX10-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-NEXT: s_setpc_b64 s[30:31]
|
|
entry:
|
|
%pre.cond = fcmp ogt float %pre.cond.val, 1.0
|
|
br label %OuterHeader
|
|
|
|
OuterHeader:
|
|
%i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ]
|
|
%mat.i = getelementptr float, ptr %mat, i32 %i
|
|
%val.i = load float, ptr %mat.i
|
|
br label %InnerHeader
|
|
|
|
InnerHeader:
|
|
%j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ]
|
|
%bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ]
|
|
|
|
%odd.even.counter = xor i1 %bool.counter, true
|
|
|
|
%f.j = uitofp i32 %j to float
|
|
%j.plus.1 = add i32 %j, 1
|
|
%cond.j = fcmp ogt float %f.j, %val.i
|
|
br i1 %cond.j, label %UseInst, label %InnerHeader
|
|
|
|
UseInst:
|
|
%mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i
|
|
; mat.oe[i] = oddOReven(mat[i])
|
|
store i1 %odd.even.counter, ptr %mat.oe.i
|
|
br label %OuterLatch
|
|
|
|
OuterLatch:
|
|
%cond.i = icmp ult i32 %i, %n.i
|
|
%i.plus.1 = add i32 %i, 1
|
|
br i1 %cond.i, label %exit, label %OuterHeader
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @nested_loops_temporal_divergence_both(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) {
|
|
; GFX10-LABEL: nested_loops_temporal_divergence_both:
|
|
; GFX10: ; %bb.0: ; %entry
|
|
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0
|
|
; GFX10-NEXT: s_mov_b32 s6, 0
|
|
; GFX10-NEXT: s_mov_b32 s8, 0
|
|
; GFX10-NEXT: ; implicit-def: $sgpr9
|
|
; GFX10-NEXT: .LBB5_1: ; %OuterHeader
|
|
; GFX10-NEXT: ; =>This Loop Header: Depth=1
|
|
; GFX10-NEXT: ; Child Loop BB5_2 Depth 2
|
|
; GFX10-NEXT: s_ashr_i32 s7, s6, 31
|
|
; GFX10-NEXT: s_mov_b32 s4, s5
|
|
; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2
|
|
; GFX10-NEXT: v_mov_b32_e32 v8, s10
|
|
; GFX10-NEXT: v_mov_b32_e32 v9, s11
|
|
; GFX10-NEXT: s_mov_b32 s10, 0
|
|
; GFX10-NEXT: s_mov_b32 s11, 0
|
|
; GFX10-NEXT: v_add_co_u32 v8, vcc_lo, v2, v8
|
|
; GFX10-NEXT: v_add_co_ci_u32_e32 v9, vcc_lo, v3, v9, vcc_lo
|
|
; GFX10-NEXT: flat_load_dword v0, v[8:9]
|
|
; GFX10-NEXT: .LBB5_2: ; %InnerHeader
|
|
; GFX10-NEXT: ; Parent Loop BB5_1 Depth=1
|
|
; GFX10-NEXT: ; => This Inner Loop Header: Depth=2
|
|
; GFX10-NEXT: v_cvt_f32_u32_e32 v8, s11
|
|
; GFX10-NEXT: s_mov_b32 s12, exec_lo
|
|
; GFX10-NEXT: s_add_i32 s11, s11, 1
|
|
; GFX10-NEXT: s_xor_b32 s4, s4, s12
|
|
; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
|
|
; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v8, v0
|
|
; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10
|
|
; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo
|
|
; GFX10-NEXT: s_and_b32 s12, exec_lo, s4
|
|
; GFX10-NEXT: s_or_b32 s9, s9, s12
|
|
; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10
|
|
; GFX10-NEXT: s_cbranch_execnz .LBB5_2
|
|
; GFX10-NEXT: ; %bb.3: ; %UseInst
|
|
; GFX10-NEXT: ; in Loop: Header=BB5_1 Depth=1
|
|
; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10
|
|
; GFX10-NEXT: v_mov_b32_e32 v9, s7
|
|
; GFX10-NEXT: v_mov_b32_e32 v8, s6
|
|
; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1
|
|
; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9
|
|
; GFX10-NEXT: s_add_i32 s6, s6, 1
|
|
; GFX10-NEXT: v_add_co_u32 v8, s4, v4, v8
|
|
; GFX10-NEXT: v_add_co_ci_u32_e64 v9, s4, v5, v9, s4
|
|
; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8
|
|
; GFX10-NEXT: flat_store_byte v[8:9], v0
|
|
; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0)
|
|
; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8
|
|
; GFX10-NEXT: s_cbranch_execnz .LBB5_1
|
|
; GFX10-NEXT: ; %bb.4: ; %exit
|
|
; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8
|
|
; GFX10-NEXT: flat_store_byte v[6:7], v0
|
|
; GFX10-NEXT: s_waitcnt lgkmcnt(0)
|
|
; GFX10-NEXT: s_setpc_b64 s[30:31]
|
|
entry:
|
|
%pre.cond = fcmp ogt float %pre.cond.val, 1.0
|
|
br label %OuterHeader
|
|
|
|
OuterHeader:
|
|
%i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ]
|
|
%mat.i = getelementptr float, ptr %mat, i32 %i
|
|
%val.i = load float, ptr %mat.i
|
|
br label %InnerHeader
|
|
|
|
InnerHeader:
|
|
%j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ]
|
|
%bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ]
|
|
|
|
%odd.even.counter = xor i1 %bool.counter, true
|
|
|
|
%f.j = uitofp i32 %j to float
|
|
%j.plus.1 = add i32 %j, 1
|
|
%cond.j = fcmp ogt float %f.j, %val.i
|
|
br i1 %cond.j, label %UseInst, label %InnerHeader
|
|
|
|
UseInst:
|
|
%mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i
|
|
; mat.oe[i] = oddOReven(mat[i])
|
|
store i1 %odd.even.counter, ptr %mat.oe.i
|
|
br label %OuterLatch
|
|
|
|
OuterLatch:
|
|
%cond.i = icmp ult i32 %i, %n.i
|
|
%i.plus.1 = add i32 %i, 1
|
|
br i1 %cond.i, label %exit, label %OuterHeader
|
|
|
|
exit:
|
|
; arr = oddOReven(mat[n.i - 1])
|
|
store i1 %odd.even.counter, ptr %arr
|
|
ret void
|
|
}
|