93 lines
2.3 KiB
YAML
93 lines
2.3 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -o - -run-pass=block-placement -mcpu=gfx1010 -mattr=-inst-fwd-prefetch-bug -verify-machineinstrs %s | FileCheck -check-prefix=GCN %s
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# Used to fail with
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# Assertion `Out && "Header of loop has no predecessors from outside loop?"
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---
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name: loop_header_nopred
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body: |
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; GCN-LABEL: name: loop_header_nopred
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; GCN: bb.0:
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; GCN: successors: %bb.1(0x80000000)
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; GCN: S_INST_PREFETCH 1
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; GCN: S_BRANCH %bb.1
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; GCN: bb.6 (align 64):
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; GCN: successors: %bb.7(0x04000000), %bb.1(0x7c000000)
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; GCN: S_CBRANCH_VCCNZ %bb.7, implicit $vcc
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; GCN: bb.1:
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; GCN: successors: %bb.2(0x40000000), %bb.3(0x40000000)
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; GCN: S_CBRANCH_VCCNZ %bb.2, implicit $vcc
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; GCN: bb.3:
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; GCN: successors: %bb.4(0x40000000), %bb.6(0x40000000)
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; GCN: SI_MASK_BRANCH %bb.6, implicit $exec
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; GCN: S_BRANCH %bb.4
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; GCN: bb.2 (align 64):
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; GCN: successors: %bb.4(0x40000000), %bb.6(0x40000000)
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; GCN: SI_MASK_BRANCH %bb.6, implicit $exec
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; GCN: S_BRANCH %bb.4
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; GCN: bb.4:
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; GCN: successors: %bb.5(0x04000000), %bb.4(0x7c000000)
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_NOP 0
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; GCN: S_CBRANCH_EXECZ %bb.4, implicit $exec
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; GCN: bb.5:
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; GCN: successors: %bb.6(0x80000000)
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; GCN: S_BRANCH %bb.6
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; GCN: bb.7:
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; GCN: S_ENDPGM 0
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bb.0:
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successors: %bb.1(0x80000000)
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bb.1:
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successors: %bb.2(0x40000000), %bb.3(0x40000000)
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S_CBRANCH_VCCZ %bb.3, implicit $vcc
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S_BRANCH %bb.2
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bb.2:
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successors: %bb.3(0x80000000)
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bb.3:
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successors: %bb.4(0x40000000), %bb.6(0x40000000)
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SI_MASK_BRANCH %bb.6, implicit $exec
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S_BRANCH %bb.4
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bb.4:
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successors: %bb.5(0x04000000), %bb.4(0x7c000000)
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_NOP 0
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S_CBRANCH_EXECZ %bb.4, implicit $exec
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bb.5:
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successors: %bb.6(0x80000000)
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bb.6:
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successors: %bb.7(0x04000000), %bb.1(0x7c000000)
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S_CBRANCH_VCCZ %bb.1, implicit $vcc
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bb.7:
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S_ENDPGM 0
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...
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