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