1# RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx803 -run-pass=simple-register-coalescing -o - %s | FileCheck -check-prefix=GCN %s 2 3# With one version of the D48102 fix, this test failed with 4# Assertion failed: (Id != S.end() && T != S.end() && T->valno == Id->valno), function pruneSubRegValues, file ../lib/CodeGen/RegisterCoalescer.cpp, line 2870. 5 6# GCN: {{^body}} 7 8--- | 9 target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5" 10 target triple = "amdgcn--amdpal" 11 12 ; Function Attrs: nounwind 13 define amdgpu_cs void @_amdgpu_cs_main(<3 x i32> %arg) #0 { 14 ret void 15 } 16 17 attributes #0 = { nounwind "target-cpu"="gfx803" } 18... 19 20--- 21name: _amdgpu_cs_main 22tracksRegLiveness: true 23liveins: 24 - { reg: '$vgpr0', virtual-reg: '%0' } 25body: | 26 bb.0: 27 successors: %bb.1(0x40000000), %bb.21(0x40000000) 28 liveins: $vgpr0, $vgpr1, $vgpr2 29 %0:vgpr_32 = COPY killed $vgpr0 30 S_CBRANCH_SCC1 %bb.21, implicit undef $scc 31 32 bb.1: 33 successors: %bb.2(0x40000000), %bb.17(0x40000000) 34 S_CBRANCH_SCC1 %bb.17, implicit undef $scc 35 36 bb.2: 37 successors: %bb.4(0x40000000), %bb.3(0x40000000) 38 %1:sreg_32_xm0 = S_MOV_B32 0 39 %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec 40 undef %3.sub0:vreg_128 = COPY killed %0 41 %3.sub2:vreg_128 = COPY killed %2 42 undef %4.sub0:sreg_256 = COPY %1 43 %4.sub1:sreg_256 = COPY %1 44 %4.sub2:sreg_256 = COPY %1 45 %4.sub3:sreg_256 = COPY %1 46 %4.sub4:sreg_256 = COPY %1 47 %4.sub5:sreg_256 = COPY %1 48 %4.sub6:sreg_256 = COPY %1 49 %4.sub7:sreg_256 = COPY killed %1 50 %5:vgpr_32 = IMAGE_LOAD_V1_V4 killed %3, killed %4, 1, -1, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 16 from constant-pool, addrspace 4) 51 %6:vgpr_32 = V_MAD_F32 0, killed %5, 0, 0, 0, 0, 0, 0, implicit $exec 52 %7:vgpr_32 = V_RCP_F32_e32 killed %6, implicit $exec 53 %8:vgpr_32 = V_MUL_F32_e32 0, killed %7, implicit $exec 54 %9:vgpr_32 = V_MAD_F32 0, killed %8, 0, 0, 0, 0, 0, 0, implicit $exec 55 dead %10:vgpr_32 = V_MAC_F32_e32 undef %11:vgpr_32, undef %12:vgpr_32, undef %10, implicit $exec 56 undef %13.sub0:vreg_128 = COPY %9 57 %14:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec 58 S_CBRANCH_SCC0 %bb.4, implicit undef $scc 59 60 bb.3: 61 successors: %bb.6(0x80000000) 62 %15:vreg_128 = IMPLICIT_DEF 63 %16:vreg_1 = COPY killed %14 64 S_BRANCH %bb.6 65 66 bb.4: 67 successors: %bb.5(0x40000000), %bb.7(0x40000000) 68 %17:vgpr_32 = V_MAD_F32 0, killed %9, 0, 0, 0, 0, 0, 0, implicit $exec 69 %18:vgpr_32 = V_MIN_F32_e32 1065353216, killed %17, implicit $exec 70 %19:sreg_64_xexec = V_CMP_NEQ_F32_e64 0, 1065353216, 0, killed %18, 0, implicit $exec 71 %20:vgpr_32 = V_MOV_B32_e32 2143289344, implicit $exec 72 %21:vgpr_32 = V_CNDMASK_B32_e64 0, killed %20, killed %19, implicit $exec 73 %22:sreg_64 = V_CMP_LT_F32_e64 0, 0, 0, killed %21, 0, implicit $exec 74 %23:sreg_64 = COPY $exec, implicit-def $exec 75 %24:sreg_64 = S_AND_B64 %23, %22, implicit-def dead $scc 76 $exec = S_MOV_B64_term killed %24 77 SI_MASK_BRANCH %bb.7, implicit $exec 78 S_BRANCH %bb.5 79 80 bb.5: 81 successors: %bb.7(0x80000000) 82 S_BRANCH %bb.7 83 84 bb.6: 85 successors: %bb.8(0x40000000), %bb.10(0x40000000) 86 %25:vreg_1 = COPY killed %16 87 %26:vreg_128 = COPY killed %15 88 %27:sreg_64 = V_CMP_NE_U32_e64 0, killed %25, implicit $exec 89 %28:sreg_64 = S_AND_B64 $exec, killed %27, implicit-def dead $scc 90 $vcc = COPY killed %28 91 %29:vreg_128 = COPY killed %26 92 S_CBRANCH_VCCNZ %bb.8, implicit killed $vcc 93 S_BRANCH %bb.10 94 95 bb.7: 96 successors: %bb.6(0x80000000) 97 $exec = S_OR_B64 $exec, killed %23, implicit-def $scc 98 %30:vgpr_32 = V_MOV_B32_e32 0, implicit $exec 99 %15:vreg_128 = COPY %13 100 %16:vreg_1 = COPY killed %30 101 S_BRANCH %bb.6 102 103 bb.8: 104 successors: %bb.9(0x40000000), %bb.11(0x40000000) 105 %31:vreg_128 = COPY killed %13 106 S_CBRANCH_SCC1 %bb.11, implicit undef $scc 107 S_BRANCH %bb.9 108 109 bb.9: 110 successors: %bb.11(0x80000000) 111 %32:sreg_32_xm0 = S_MOV_B32 0 112 undef %33.sub0:sreg_128 = COPY %32 113 %33.sub1:sreg_128 = COPY %32 114 %33.sub2:sreg_128 = COPY %32 115 %33.sub3:sreg_128 = COPY killed %32 116 %34:sreg_128 = COPY killed %33 117 %35:vreg_128 = COPY killed %34 118 %31:vreg_128 = COPY killed %35 119 S_BRANCH %bb.11 120 121 bb.10: 122 successors: %bb.14(0x80000000) 123 %36:vreg_128 = COPY killed %29 124 S_BRANCH %bb.14 125 126 bb.11: 127 successors: %bb.13(0x40000000), %bb.12(0x40000000) 128 %37:vreg_128 = COPY killed %31 129 S_CBRANCH_SCC0 %bb.13, implicit undef $scc 130 131 bb.12: 132 successors: %bb.10(0x80000000) 133 %29:vreg_128 = COPY killed %37 134 S_BRANCH %bb.10 135 136 bb.13: 137 successors: %bb.10(0x80000000) 138 %29:vreg_128 = COPY killed %37 139 S_BRANCH %bb.10 140 141 bb.14: 142 successors: %bb.15(0x40000000), %bb.16(0x40000000) 143 %38:vgpr_32 = V_MAD_F32 0, killed %36.sub0, 0, target-flags(amdgpu-gotprel) 0, 0, 0, 0, 0, implicit $exec 144 %39:vgpr_32 = V_MAD_F32 0, killed %38, 0, 0, 0, 0, 0, 0, implicit $exec 145 %40:vgpr_32 = V_MAD_F32 0, killed %39, 0, -1090519040, 0, 1056964608, 0, 0, implicit $exec 146 %41:vgpr_32 = V_MAD_F32 0, killed %40, 0, 0, 0, -1090519040, 0, 0, implicit $exec 147 %42:vgpr_32 = V_CVT_I32_F32_e32 killed %41, implicit $exec 148 %43:sreg_32_xm0_xexec = S_BUFFER_LOAD_DWORD_IMM undef %44:sreg_128, 12, 0 :: (dereferenceable invariant load 4) 149 %45:vgpr_32 = V_MUL_LO_I32 killed %42, killed %43, implicit $exec 150 %46:vgpr_32 = V_LSHLREV_B32_e32 2, killed %45, implicit $exec 151 %47:vgpr_32 = BUFFER_LOAD_FORMAT_X_IDXEN killed %46, undef %48:sreg_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 4 from constant-pool, align 1, addrspace 4) 152 %49:sreg_64 = V_CMP_NE_U32_e64 0, killed %47, implicit $exec 153 %50:sreg_64 = COPY $exec, implicit-def $exec 154 %51:sreg_64 = S_AND_B64 %50, %49, implicit-def dead $scc 155 $exec = S_MOV_B64_term killed %51 156 SI_MASK_BRANCH %bb.16, implicit $exec 157 S_BRANCH %bb.15 158 159 bb.15: 160 successors: %bb.16(0x80000000) 161 162 bb.16: 163 successors: %bb.17(0x80000000) 164 $exec = S_OR_B64 $exec, killed %50, implicit-def $scc 165 S_BRANCH %bb.17 166 167 bb.17: 168 successors: %bb.21(0x40000000), %bb.18(0x40000000) 169 S_CBRANCH_SCC1 %bb.21, implicit undef $scc 170 171 bb.18: 172 successors: %bb.19(0x40000000), %bb.20(0x40000000) 173 S_CBRANCH_SCC1 %bb.19, implicit undef $scc 174 S_BRANCH %bb.20 175 176 bb.19: 177 successors: %bb.20(0x80000000) 178 179 bb.20: 180 successors: %bb.21(0x80000000) 181 182 bb.21: 183 S_ENDPGM 184... 185