| # RUN: llc -mtriple=riscv64 -mcpu=sifive-x280 -run-pass=machine-scheduler \ |
| # RUN: -debug-only=machine-scheduler -misched-dump-schedule-trace \ |
| # RUN: -misched-topdown -o - %s 2>&1 | FileCheck %s |
| # REQUIRES: asserts |
| |
| # The purpose of this test is to show that the VADD instructions are issued so |
| # that the SiFive7VA is saturated. |
| --- |
| name: add_m2 |
| tracksRegLiveness: true |
| body: | |
| bb.0.entry: |
| liveins: $v8m2, $v10m2, $v12m2, $v14m2, $x10 |
| |
| %4:gprnox0 = COPY $x10 |
| %3:vrm2 = COPY $v14m2 |
| %2:vrm2 = COPY $v12m2 |
| %1:vrm2 = COPY $v10m2 |
| %0:vrm2 = COPY $v8m2 |
| dead $x0 = PseudoVSETVLI %4, 217 /* e64, m2, ta, ma */, implicit-def $vl, implicit-def $vtype |
| %5:vrm2 = PseudoVADD_VV_M2 undef %5, %0, %1, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype |
| %6:vrm2 = PseudoVADD_VV_M2 undef %6, %3, %2, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype |
| %7:vrm2 = PseudoVADD_VV_M2 undef %7, %5, %6, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype |
| $v8m2 = COPY %7 |
| PseudoRET implicit $v8m2 |
| |
| # CHECK: *** Final schedule for %bb.0 *** |
| # CHECK-NEXT: * Schedule table (TopDown): |
| # CHECK-NEXT: i: issue |
| # CHECK-NEXT: x: resource booked |
| # CHECK-NEXT: Cycle | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| # CHECK-NEXT: SU(0) | i | | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | x | | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(1) | i | | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | x | | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(2) | | i | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | | x | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(3) | | i | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | | x | | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(4) | | | i | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | | | x | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(5) | | | i | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeA | | | x | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7PipeAB | | | x | | | | | | | | | | | | | | | |
| # CHECK-NEXT: SU(7) | | | | | i | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7VCQ | | | | | x | | | | | | | | | | | | | |
| # CHECK-NEXT: SiFive7VA | | | | | | x | x | x | x | | | | | | | | | |
| # CHECK-NEXT: SU(6) | | | | | | | | | i | | | | | | | | | |
| # CHECK-NEXT: SiFive7VCQ | | | | | | | | | x | | | | | | | | | |
| # CHECK-NEXT: SiFive7VA | | | | | | | | | | x | x | x | x | | | | | |
| # CHECK-NEXT: SU(8) | | | | | | | | | | | | | i | | | | | |
| # CHECK-NEXT: SiFive7VCQ | | | | | | | | | | | | | x | | | | | |
| # CHECK-NEXT: SiFive7VA | | | | | | | | | | | | | | x | x | x | x | |
| # CHECK-NEXT: SU(9) | | | | | | | | | | | | | | | | | i | |
| # CHECK-NEXT: SiFive7PipeAB | | | | | | | | | | | | | | | | | x | |
| |
| ... |
