llvm/test/CodeGen/RISCV/sifive7-enable-intervals.mir

   1 # RUN: llc -mtriple=riscv64 -mcpu=sifive-x280 -run-pass=machine-scheduler      \
   2 # RUN:  -debug-only=machine-scheduler -misched-dump-schedule-trace             \
   3 # RUN:  -misched-topdown -o - %s 2>&1 | FileCheck %s
   4 # REQUIRES: asserts
   5
   6 # The purpose of this test is to show that the VADD instructions are issued so
   7 # that the SiFive7VA is saturated.
   8 ---
   9 name:            add_m2
  10 tracksRegLiveness: true
  11 body:             |
  12   bb.0.entry:
  13     liveins: $v8m2, $v10m2, $v12m2, $v14m2, $x10
  14
  15     %4:gprnox0 = COPY $x10
  16     %3:vrm2 = COPY $v14m2
  17     %2:vrm2 = COPY $v12m2
  18     %1:vrm2 = COPY $v10m2
  19     %0:vrm2 = COPY $v8m2
  20     dead $x0 = PseudoVSETVLI %4, 217 /* e64, m2, ta, ma */, implicit-def $vl, implicit-def $vtype
  21     %5:vrm2 = PseudoVADD_VV_M2 undef %5, %0, %1, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype
  22     %6:vrm2 = PseudoVADD_VV_M2 undef %6, %3, %2, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype
  23     %7:vrm2 = PseudoVADD_VV_M2 undef %7, %5, %6, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype
  24     $v8m2 = COPY %7
  25     PseudoRET implicit $v8m2
  26
  27 # CHECK: *** Final schedule for %bb.0 ***
  28 # CHECK-NEXT:  * Schedule table (TopDown):
  29 # CHECK-NEXT:   i: issue
  30 # CHECK-NEXT:   x: resource booked
  31 # CHECK-NEXT: Cycle              | 0  | 1  | 2  | 3  | 4  | 5  | 6  | 7  | 8  | 9  | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
  32 # CHECK-NEXT: SU(0)              | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  33 # CHECK-NEXT:      SiFive7PipeAB | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  34 # CHECK-NEXT: SU(1)              | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  35 # CHECK-NEXT:      SiFive7PipeAB | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  36 # CHECK-NEXT: SU(2)              |    | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  37 # CHECK-NEXT:      SiFive7PipeAB |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  38 # CHECK-NEXT: SU(3)              |    | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  39 # CHECK-NEXT:      SiFive7PipeAB |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  40 # CHECK-NEXT: SU(4)              |    |    | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  41 # CHECK-NEXT:      SiFive7PipeAB |    |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  42 # CHECK-NEXT: SU(5)              |    |    | i  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  43 # CHECK-NEXT:       SiFive7PipeA |    |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  44 # CHECK-NEXT:      SiFive7PipeAB |    |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
  45 # CHECK-NEXT: SU(7)              |    |    |    |    | i  |    |    |    |    |    |    |    |    |    |    |    |    |
  46 # CHECK-NEXT:         SiFive7VCQ |    |    |    |    | x  |    |    |    |    |    |    |    |    |    |    |    |    |
  47 # CHECK-NEXT:          SiFive7VA |    |    |    |    |    | x  | x  | x  | x  |    |    |    |    |    |    |    |    |
  48 # CHECK-NEXT: SU(6)              |    |    |    |    |    |    |    |    | i  |    |    |    |    |    |    |    |    |
  49 # CHECK-NEXT:         SiFive7VCQ |    |    |    |    |    |    |    |    | x  |    |    |    |    |    |    |    |    |
  50 # CHECK-NEXT:          SiFive7VA |    |    |    |    |    |    |    |    |    | x  | x  | x  | x  |    |    |    |    |
  51 # CHECK-NEXT: SU(8)              |    |    |    |    |    |    |    |    |    |    |    |    | i  |    |    |    |    |
  52 # CHECK-NEXT:         SiFive7VCQ |    |    |    |    |    |    |    |    |    |    |    |    | x  |    |    |    |    |
  53 # CHECK-NEXT:          SiFive7VA |    |    |    |    |    |    |    |    |    |    |    |    |    | x  | x  | x  | x  |
  54 # CHECK-NEXT: SU(9)              |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    | i  |
  55 # CHECK-NEXT:      SiFive7PipeAB |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    | x  |
  56
  57 ...