1# RUN: llc -mtriple=amdgcn-- -run-pass=print-machine-uniformity -o - %s 2>&1 | FileCheck %s 2 3# This test was generated using SelectionDAG, where the compilation flow does 4# not match the assumptions made in MachineUA. For now, this test mostly serves 5# the purpose of catching in any crash when invoking MachineUA. The test should 6# be deleted when it is clear that it is not actually testing anything useful. 7 8--- 9# CHECK-LABEL: MachineUniformityInfo for function: hidden_diverge 10# CHECK-LABEL: BLOCK bb.0 11# CHECK: DIVERGENT: %{{[0-9]*}}: %{{[0-9]*}}:vgpr_32(s32) = COPY $vgpr0 12# CHECK-LABEL: BLOCK bb.2 13# CHECK: DIVERGENT: %{{[0-9]*}}: %{{[0-9]*}}:vreg_1 = PHI %{{[0-9]*}}:vreg_1, %bb.0, %{{[0-9]*}}:sreg_64, %bb.1 14# CHECK-LABEL: BLOCK bb.3 15# CHECK-LABEL: BLOCK bb.4 16 17name: hidden_diverge 18tracksRegLiveness: true 19body: | 20 bb.0: 21 successors: %bb.1(0x40000000), %bb.2(0x40000000) 22 liveins: $vgpr0, $sgpr0_sgpr1 23 24 %11:sgpr_64(p4) = COPY $sgpr0_sgpr1 25 %10:vgpr_32(s32) = COPY $vgpr0 26 %15:sreg_64_xexec = S_LOAD_DWORDX2_IMM %11(p4), 36, 0 27 %16:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %11(p4), 44, 0 28 %17:sreg_32 = COPY %15.sub1 29 %18:sreg_32 = COPY %15.sub0 30 %19:sgpr_96 = REG_SEQUENCE killed %18, %subreg.sub0, killed %17, %subreg.sub1, killed %16, %subreg.sub2 31 %0:sgpr_96 = COPY %19 32 %20:sreg_32 = S_MOV_B32 -1 33 %21:sreg_64 = V_CMP_GT_I32_e64 %10(s32), killed %20, implicit $exec 34 %22:sreg_32 = S_MOV_B32 0 35 %23:sreg_64 = V_CMP_LT_I32_e64 %10(s32), killed %22, implicit $exec 36 %1:vreg_1 = COPY %21 37 %14:sreg_32 = IMPLICIT_DEF 38 %2:sreg_64 = SI_IF killed %23, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec 39 S_BRANCH %bb.1 40 41 bb.1: 42 successors: %bb.2(0x80000000) 43 44 %24:sreg_32 = COPY %0.sub0 45 %3:sreg_32 = COPY %0.sub1 46 %25:sreg_32 = S_MOV_B32 0 47 S_CMP_LT_I32 killed %24, killed %25, implicit-def $scc 48 %26:sreg_64 = COPY $scc 49 %4:sreg_64 = COPY %26 50 51 bb.2: 52 successors: %bb.3(0x40000000), %bb.4(0x40000000) 53 54 %5:sreg_32 = PHI %14, %bb.0, %3, %bb.1 55 %6:vreg_1 = PHI %1, %bb.0, %4, %bb.1 56 SI_END_CF %2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec 57 %27:sreg_64 = COPY %6 58 %7:sreg_64 = SI_IF %27, %bb.4, implicit-def dead $exec, implicit-def dead $scc, implicit $exec 59 S_BRANCH %bb.3 60 61 bb.3: 62 successors: %bb.4(0x80000000) 63 64 %8:sreg_32 = COPY %0.sub2 65 66 bb.4: 67 %9:vgpr_32 = PHI %5, %bb.2, %8, %bb.3 68 SI_END_CF %7, implicit-def dead $exec, implicit-def dead $scc, implicit $exec 69 %28:sreg_64 = IMPLICIT_DEF 70 %29:vreg_64 = COPY %28 71 GLOBAL_STORE_DWORD killed %29, %9, 0, 0, implicit $exec 72 S_ENDPGM 0 73 74... 75