# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -start-before=machine-scheduler -stop-after=virtregrewriter,0 -o - %s | FileCheck %s
---
# If optimize-exec-mask-pre-ra over approximates live intervals (not replicating splits)
# then this triggers a register allocation failure.
# CHECK-LABEL: name: test
name: test
alignment: 1
tracksRegLiveness: true
registers:
- { id: 0, class: sreg_32, preferred-register: '$vcc_lo' }
- { id: 1, class: sreg_32, preferred-register: '$vcc_lo' }
- { id: 2, class: sreg_32_xm0_xexec, preferred-register: '$vcc_lo' }
liveins:
- { reg: '$sgpr4_sgpr5', virtual-reg: '%3' }
machineFunctionInfo:
isEntryFunction: true
scratchRSrcReg: '$sgpr100_sgpr101_sgpr102_sgpr103'
stackPtrOffsetReg: '$sgpr32'
body: |
bb.0.entry:
liveins: $vgpr0, $sgpr4_sgpr5
%3:sgpr_64 = COPY $sgpr4_sgpr5
%4:vgpr_32 = COPY $vgpr0
%5:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 16, 0
S_BITCMP1_B32 %5, 0, implicit-def $scc
%6:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
%7:sreg_32 = S_MOV_B32 -1
%8:sreg_64_xexec = S_LOAD_DWORDX2_IMM %3, 136, 0
S_CBRANCH_SCC1 %bb.2, implicit undef $scc
S_BRANCH %bb.1
bb.1:
%9:sreg_64_xexec = S_LOAD_DWORDX2_IMM %3, 8, 0
%10:sgpr_128 = S_LOAD_DWORDX4_IMM %3, 24, 0
%11:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 40, 0
%12:sgpr_128 = S_LOAD_DWORDX4_IMM %3, 48, 0
%13:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 64, 0
S_BITCMP1_B32 %11, 0, implicit-def $scc
%14:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
S_BITCMP1_B32 %13, 0, implicit-def $scc
%15:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
S_BITCMP1_B32 %13, 8, implicit-def $scc
%2:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
%16:sreg_64_xexec = S_LOAD_DWORDX2_IMM %3, 72, 0
%17:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 80, 0
S_BITCMP1_B32 %17, 0, implicit-def $scc
%18:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
S_BITCMP1_B32 %17, 8, implicit-def $scc
%19:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
%20:sreg_64_xexec = S_LOAD_DWORDX2_IMM %3, 88, 0
%21:sgpr_128 = S_LOAD_DWORDX4_IMM %3, 104, 0
%22:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 120, 0
S_BITCMP1_B32 %22, 0, implicit-def $scc
%23:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
%24:sreg_64_xexec = S_LOAD_DWORDX2_IMM %3, 128, 0
%25:sreg_64 = S_MOV_B64 0
%26:sreg_64_xexec = S_LOAD_DWORDX2_IMM %25, 0, 0
%27:sreg_64 = S_MOV_B64_IMM_PSEUDO 4652218415073722368
%28:vreg_64 = V_MOV_B64_PSEUDO 0, implicit $exec
%29:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %14, implicit $exec
%30:sreg_64 = S_MOV_B64_IMM_PSEUDO 4358002977218854975
undef %31.sub1:sreg_64 = S_MOV_B32 -1064252416
%32:sreg_32 = S_OR_B32 %19, %18, implicit-def dead $scc
undef %33.sub1:sreg_64 = S_MOV_B32 2146435072
%34:sreg_64 = S_MOV_B64_IMM_PSEUDO 4592094252754343337
%35:sreg_64 = S_MOV_B64_IMM_PSEUDO 4593089322246397463
%36:sreg_64 = S_MOV_B64_IMM_PSEUDO 4593150332132823898
%37:sreg_64 = S_MOV_B64_IMM_PSEUDO 4593971714784152002
%38:sreg_64 = S_MOV_B64_IMM_PSEUDO 4594710915293070409
%39:sreg_64 = S_MOV_B64_IMM_PSEUDO 4595718710613720112
%40:sreg_64 = S_MOV_B64_IMM_PSEUDO 4597174419628462798
%41:sreg_64 = S_MOV_B64_IMM_PSEUDO 4598818590920614106
%42:sreg_64 = S_MOV_B64_IMM_PSEUDO 4600877379321698716
%43:sreg_64 = S_MOV_B64_IMM_PSEUDO 4604180019048437077
undef %44.sub1:sreg_64 = S_MOV_B32 -1075489451
%45:sreg_64 = S_MOV_B64_IMM_PSEUDO 4609176140021203710
undef %46.sub1:sreg_64 = S_MOV_B32 -1132807010
%47:sreg_64 = S_MOV_B64_IMM_PSEUDO 4508818957471820556
%48:sreg_64 = S_MOV_B64_IMM_PSEUDO 4493147761815702327
%49:sreg_64 = S_MOV_B64_IMM_PSEUDO 4523617260404727396
%50:sreg_64 = S_MOV_B64_IMM_PSEUDO 4537941333260232368
%51:sreg_64 = S_MOV_B64_IMM_PSEUDO 4551452160460988270
%52:sreg_64 = S_MOV_B64_IMM_PSEUDO 4564047942395279280
%53:sreg_64 = S_MOV_B64_IMM_PSEUDO 4575957461383652130
%54:sreg_64 = S_MOV_B64_IMM_PSEUDO 4586165620538933921
%55:sreg_64 = S_MOV_B64_IMM_PSEUDO 4595172819793696017
%56:sreg_64 = S_MOV_B64_IMM_PSEUDO 4602678819172646923
undef %57.sub1:sreg_64 = S_MOV_B32 -1101341163
%7:sreg_32 = IMPLICIT_DEF
%58:sreg_32 = IMPLICIT_DEF
%59:sreg_32 = COPY %27.sub0
%60:vreg_64 = COPY %28
%61:vreg_64 = COPY %28
%62:vreg_64 = COPY %28
%63:vreg_64 = COPY %28
%64:vreg_64 = COPY %28
S_BRANCH %bb.3
bb.2:
%65:sreg_32 = COPY $exec_lo, implicit-def $exec_lo
%66:sreg_32 = S_AND_B32 %65, %7, implicit-def dead $scc
$exec_lo = S_MOV_B32_term %66
S_CBRANCH_EXECZ %bb.18, implicit $exec
S_BRANCH %bb.5
bb.3:
%67:sreg_32 = S_AND_B32 $exec_lo, %6, implicit-def dead $scc
$vcc_lo = COPY %67
%58:sreg_32 = S_OR_B32 %58, $exec_lo, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.7, implicit killed $vcc
bb.4:
%64:vreg_64 = IMPLICIT_DEF
%63:vreg_64 = IMPLICIT_DEF
%62:vreg_64 = IMPLICIT_DEF
%61:vreg_64 = IMPLICIT_DEF
%60:vreg_64 = IMPLICIT_DEF
%28:vreg_64 = IMPLICIT_DEF
%68:sreg_32 = S_MOV_B32 -1
S_BRANCH %bb.9
bb.5:
S_CBRANCH_SCC1 %bb.18, implicit undef $scc
bb.6:
%69:sreg_32_xm0_xexec = S_XOR_B32 %6, -1, implicit-def dead $scc
%70:sreg_32_xm0_xexec = S_LOAD_DWORD_IMM %3, 96, 0
S_BITCMP1_B32 %70, 0, implicit-def $scc
%71:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
S_BITCMP1_B32 %8.sub1, 0, implicit-def $scc
%72:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
%73:sreg_32_xm0_xexec = S_XOR_B32 %72, -1, implicit-def dead $scc
%74:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %73, implicit $exec
%75:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %71, implicit $exec
%76:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, 1, %69, implicit $exec
S_BRANCH %bb.14
bb.7:
%77:vreg_64 = COPY %10.sub0_sub1
%78:vreg_64 = FLAT_LOAD_DWORDX2 %77, 0, 0, implicit $exec, implicit $flat_scr
%79:vreg_64 = COPY %10.sub2_sub3
%80:vreg_64 = FLAT_LOAD_DWORDX2 %79, 0, 0, implicit $exec, implicit $flat_scr
%81:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 1, %29, implicit $exec
$vcc_lo = S_AND_B32 $exec_lo, %81, implicit-def dead $scc
%82:sreg_64 = COPY %12.sub0_sub1
S_CBRANCH_VCCNZ %bb.10, implicit killed $vcc
S_BRANCH %bb.8
bb.8:
%82:sreg_64 = S_MOV_B64 0
S_BRANCH %bb.10
bb.9:
%83:sreg_32 = S_XOR_B32 %68, -1, implicit-def dead $scc
%84:sreg_32 = S_AND_B32 $exec_lo, %58, implicit-def $scc
%59:sreg_32 = S_OR_B32 %84, %59, implicit-def $scc
%4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
%85:sreg_32 = S_ANDN2_B32 %7, $exec_lo, implicit-def dead $scc
%86:sreg_32 = S_AND_B32 %83, $exec_lo, implicit-def dead $scc
%7:sreg_32 = S_OR_B32 %85, %86, implicit-def dead $scc
$exec_lo = S_ANDN2_B32_term $exec_lo, %59, implicit-def $scc
S_CBRANCH_EXECNZ %bb.3, implicit $exec
S_BRANCH %bb.19
bb.10:
%87:sreg_64_xexec = S_LOAD_DWORDX2_IMM %26, 16, 0
undef %88.sub1:sreg_64 = S_AND_B32 %87.sub1, 2147483647, implicit-def dead $scc
%89:vgpr_32 = nofpexcept V_FREXP_EXP_I32_F64_e64 2, %87, 0, 0, implicit $mode, implicit $exec
%90:vreg_64 = V_CVT_F64_I32_e32 %89, implicit $mode, implicit $exec
%91:vreg_64 = nofpexcept V_FMA_F64_e64 0, 0, 0, %30, 0, %87, 0, 0, implicit $mode, implicit $exec
%0:sreg_32 = nofpexcept V_CMP_LT_F64_e64 0, %27, 0, %91, 0, implicit $mode, implicit $exec
%31.sub0:sreg_64 = COPY %27.sub0
%1:sreg_32 = nofpexcept V_CMP_GT_F64_e64 0, %31, 0, %90, 0, implicit $mode, implicit $exec
S_CBRANCH_SCC0 %bb.12, implicit undef $scc
bb.11:
%92:sreg_32_xm0_xexec = S_OR_B32 %1, %0, implicit-def dead $scc
undef %93.sub1:vreg_64 = V_CNDMASK_B32_e64 0, %21.sub3, 0, 0, %92, implicit $exec
%93.sub0:vreg_64 = V_CNDMASK_B32_e64 0, %21.sub2, 0, 0, %92, implicit $exec
S_BRANCH %bb.13
bb.12:
%93:vreg_64 = V_MOV_B64_PSEUDO 0, implicit $exec
bb.13:
%88.sub0:sreg_64 = COPY %87.sub0
%94:vgpr_32 = COPY %16.sub0
%95:vgpr_32 = V_CNDMASK_B32_e64 0, %82.sub0, 0, %94, %2, implicit $exec
%96:vgpr_32 = COPY %16.sub1
%97:vgpr_32 = V_CNDMASK_B32_e64 0, %82.sub1, 0, %96, %2, implicit $exec
%98:vgpr_32 = V_CNDMASK_B32_e64 0, %97, 0, 2146959360, %18, implicit $exec
dead %99:sreg_32 = S_AND_B32 %32, $exec_lo, implicit-def $scc
%100:sreg_32_xm0_xexec = S_CSELECT_B32 -1, 0, implicit killed $scc
undef %101.sub0:vreg_64 = V_CNDMASK_B32_e64 0, %95, 0, 0, %100, implicit $exec
%101.sub1:vreg_64 = V_CNDMASK_B32_e64 0, %98, 0, 0, %19, implicit $exec
%64:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %64, 0, %101, 0, 0, implicit $mode, implicit $exec
%63:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %63, 0, %21.sub0_sub1, 0, 0, implicit $mode, implicit $exec
%62:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %62, 0, %12.sub2_sub3, 0, 0, implicit $mode, implicit $exec
%33.sub0:sreg_64 = COPY %27.sub0
%102:sreg_32_xm0_xexec = nofpexcept V_CMP_EQ_F64_e64 0, %33, 0, %88, 0, implicit $mode, implicit $exec
%103:sreg_32 = nofpexcept V_CMP_EQ_F64_e64 0, 0, 0, %87, 0, implicit $mode, implicit $exec
%104:sreg_32 = S_XOR_B32 %15, %103, implicit-def dead $scc
dead %105:sreg_32 = S_AND_B32 %104, $exec_lo, implicit-def $scc
%106:sgpr_32 = S_CSELECT_B32 0, 2146435072, implicit killed $scc
%107:vgpr_32 = V_CNDMASK_B32_e64 0, %93.sub1, 0, %106, %102, implicit $exec
undef %108.sub1:vreg_64 = V_CNDMASK_B32_e64 0, %107, 0, 0, %23, implicit $exec
%109:sreg_32_xm0_xexec = S_OR_B32 %23, %102, implicit-def dead $scc
%108.sub0:vreg_64 = V_CNDMASK_B32_e64 0, %93.sub0, 0, 0, %109, implicit $exec
%61:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %61, 0, %108, 0, 0, implicit $mode, implicit $exec
%110:vreg_64 = nofpexcept V_FMA_F64_e64 0, %78, 0, %35, 0, %34, 0, 0, implicit $mode, implicit $exec
%111:vreg_64 = nofpexcept V_FMA_F64_e64 0, %110, 0, 0, 0, %36, 0, 0, implicit $mode, implicit $exec
%112:vreg_64 = nofpexcept V_FMA_F64_e64 0, %111, 0, 0, 0, %37, 0, 0, implicit $mode, implicit $exec
%113:vreg_64 = nofpexcept V_FMA_F64_e64 0, %112, 0, 0, 0, %38, 0, 0, implicit $mode, implicit $exec
%114:vreg_64 = nofpexcept V_FMA_F64_e64 0, %113, 0, 0, 0, %39, 0, 0, implicit $mode, implicit $exec
%115:vreg_64 = nofpexcept V_FMA_F64_e64 0, %114, 0, 0, 0, %40, 0, 0, implicit $mode, implicit $exec
%116:vreg_64 = nofpexcept V_FMA_F64_e64 0, %115, 0, 0, 0, %41, 0, 0, implicit $mode, implicit $exec
%117:vreg_64 = nofpexcept V_FMA_F64_e64 0, %116, 0, 0, 0, %42, 0, 0, implicit $mode, implicit $exec
%118:vreg_64 = nofpexcept V_ADD_F64_e64 0, %117, 0, %43, 0, 0, implicit $mode, implicit $exec
%44.sub0:sreg_64 = COPY %43.sub0
%119:vreg_64 = nofpexcept V_ADD_F64_e64 0, %118, 0, %44, 0, 0, implicit $mode, implicit $exec
%120:vreg_64 = nofpexcept V_ADD_F64_e64 0, %24, 0, %119, 0, 0, implicit $mode, implicit $exec
%121:vreg_64 = nofpexcept V_MUL_F64_e64 0, %9, 0, %120, 0, 0, implicit $mode, implicit $exec
%122:vreg_64 = nofpexcept V_MUL_F64_e64 0, %121, 0, %45, 0, 0, implicit $mode, implicit $exec
%46.sub0:sreg_64 = COPY %30.sub0
%123:vreg_64 = nofpexcept V_FMA_F64_e64 0, %122, 0, %46, 0, %20, 0, 0, implicit $mode, implicit $exec
%124:vreg_64 = nofpexcept V_FMA_F64_e64 0, %123, 0, %48, 0, %47, 0, 0, implicit $mode, implicit $exec
%125:vreg_64 = nofpexcept V_FMA_F64_e64 0, %124, 0, 0, 0, %49, 0, 0, implicit $mode, implicit $exec
%126:vreg_64 = nofpexcept V_FMA_F64_e64 0, %125, 0, 0, 0, %50, 0, 0, implicit $mode, implicit $exec
%127:vreg_64 = nofpexcept V_FMA_F64_e64 0, %126, 0, 0, 0, %51, 0, 0, implicit $mode, implicit $exec
%128:vreg_64 = nofpexcept V_FMA_F64_e64 0, %127, 0, 0, 0, %52, 0, 0, implicit $mode, implicit $exec
%129:vreg_64 = nofpexcept V_FMA_F64_e64 0, %128, 0, 0, 0, %53, 0, 0, implicit $mode, implicit $exec
%130:vreg_64 = nofpexcept V_FMA_F64_e64 0, %129, 0, 0, 0, %54, 0, 0, implicit $mode, implicit $exec
%131:vreg_64 = nofpexcept V_FMA_F64_e64 0, %130, 0, 0, 0, %55, 0, 0, implicit $mode, implicit $exec
%132:vreg_64 = nofpexcept V_FMA_F64_e64 0, %131, 0, 0, 0, %56, 0, 0, implicit $mode, implicit $exec
%60:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %60, 0, %132, 0, 0, implicit $mode, implicit $exec
%133:vreg_64 = nofpexcept V_FMA_F64_e64 0, %80, 0, 0, 0, %36, 0, 0, implicit $mode, implicit $exec
%134:vreg_64 = nofpexcept V_FMA_F64_e64 0, %133, 0, 0, 0, %37, 0, 0, implicit $mode, implicit $exec
%135:vreg_64 = nofpexcept V_FMA_F64_e64 0, %134, 0, 0, 0, %38, 0, 0, implicit $mode, implicit $exec
%136:vreg_64 = nofpexcept V_FMA_F64_e64 0, %135, 0, 0, 0, %39, 0, 0, implicit $mode, implicit $exec
%137:vreg_64 = nofpexcept V_FMA_F64_e64 0, %136, 0, 0, 0, %40, 0, 0, implicit $mode, implicit $exec
%138:vreg_64 = nofpexcept V_FMA_F64_e64 0, %137, 0, 0, 0, %41, 0, 0, implicit $mode, implicit $exec
%139:vreg_64 = nofpexcept V_FMA_F64_e64 0, %138, 0, 0, 0, %42, 0, 0, implicit $mode, implicit $exec
%140:vreg_64 = nofpexcept V_MUL_F64_e64 0, %139, 0, %45, 0, 0, implicit $mode, implicit $exec
%57.sub0:sreg_64 = COPY %48.sub0
%141:vreg_64 = nofpexcept V_FMA_F64_e64 0, %140, 0, %57, 0, %47, 0, 0, implicit $mode, implicit $exec
%142:vreg_64 = nofpexcept V_FMA_F64_e64 0, %141, 0, 0, 0, %49, 0, 0, implicit $mode, implicit $exec
%143:vreg_64 = nofpexcept V_FMA_F64_e64 0, %142, 0, 0, 0, %50, 0, 0, implicit $mode, implicit $exec
%144:vreg_64 = nofpexcept V_FMA_F64_e64 0, %143, 0, 0, 0, %51, 0, 0, implicit $mode, implicit $exec
%145:vreg_64 = nofpexcept V_FMA_F64_e64 0, %144, 0, 0, 0, %52, 0, 0, implicit $mode, implicit $exec
%146:vreg_64 = nofpexcept V_FMA_F64_e64 0, %145, 0, 0, 0, %53, 0, 0, implicit $mode, implicit $exec
%147:vreg_64 = nofpexcept V_FMA_F64_e64 0, %146, 0, 0, 0, %54, 0, 0, implicit $mode, implicit $exec
%148:vreg_64 = nofpexcept V_FMA_F64_e64 0, %147, 0, 0, 0, %55, 0, 0, implicit $mode, implicit $exec
%149:vreg_64 = nofpexcept V_FMA_F64_e64 0, %148, 0, 0, 0, %56, 0, 0, implicit $mode, implicit $exec
%28:vreg_64 = contract nofpexcept V_ADD_F64_e64 0, %28, 0, %149, 0, 0, implicit $mode, implicit $exec
%58:sreg_32 = V_CMP_LE_U32_e64 %8.sub0, %4, implicit $exec
%68:sreg_32 = S_MOV_B32 0
S_BRANCH %bb.9
bb.14:
S_CBRANCH_SCC1 %bb.17, implicit undef $scc
S_BRANCH %bb.15
bb.15:
%150:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 1, %74, implicit $exec
$vcc_lo = S_AND_B32 $exec_lo, %150, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.17, implicit killed $vcc
S_BRANCH %bb.16
bb.16:
%151:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 1, %75, implicit $exec
$vcc_lo = S_AND_B32 $exec_lo, %151, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.16, implicit killed $vcc
S_BRANCH %bb.17
bb.17:
%152:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 1, %76, implicit $exec
$vcc_lo = S_AND_B32 $exec_lo, %152, implicit-def dead $scc
S_CBRANCH_VCCNZ %bb.14, implicit killed $vcc
S_BRANCH %bb.18
bb.18:
$exec_lo = S_OR_B32 $exec_lo, %65, implicit-def $scc
S_ENDPGM 0
bb.19:
$exec_lo = S_OR_B32 $exec_lo, %59, implicit-def $scc
S_BRANCH %bb.2
...
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