forked from OSchip/llvm-project
61 lines
1.7 KiB
YAML
61 lines
1.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=early-tailduplication -verify-machineinstrs -o - %s | FileCheck %s
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# Early tail duplication should not merge bb.6 into bb.5, adding a
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# non-terminator (S_SLEEP) after the terminator S_MOV_B32_term.
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---
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name: tail_duplicate_terminator
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: tail_duplicate_terminator
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_BRANCH %bb.2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_SLEEP 1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[S_MOV_B32_term:%[0-9]+]]:sreg_32_xm0_xexec = S_MOV_B32_term $exec_lo
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3:
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; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: SI_WATERFALL_LOOP %bb.3, implicit $exec
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4:
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; CHECK-NEXT: successors: %bb.5(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $exec_lo = S_MOV_B32_term [[S_MOV_B32_term]]
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.5:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: S_SLEEP 2
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; CHECK-NEXT: S_BRANCH %bb.1
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bb.1:
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S_BRANCH %bb.3
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bb.2:
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S_SLEEP 1
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bb.3:
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%0:sreg_32_xm0_xexec = S_MOV_B32_term $exec_lo
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bb.4:
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SI_WATERFALL_LOOP %bb.4, implicit $exec
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bb.5:
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$exec_lo = S_MOV_B32_term %0
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bb.6:
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S_SLEEP 2
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S_BRANCH %bb.2
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...
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