derek.holloway
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93 lines
5.6 KiB
YAML
93 lines
5.6 KiB
YAML
# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG
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# RUN: llc -mtriple=amdgcn-- -run-pass=dot-machine-cfg -mcfg-dot-filename-prefix=%t -dot-mcfg-only -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG-ONLY
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# RUN: llc -mtriple=amdgcn-- -passes=dot-machine-cfg -mcfg-dot-filename-prefix=%t -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG
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# RUN: llc -mtriple=amdgcn-- -passes=dot-machine-cfg -mcfg-dot-filename-prefix=%t -dot-mcfg-only -o - %s -filetype=null 2>&1
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# RUN: FileCheck %s -input-file=%t.irreducible.dot --check-prefix=MCFG-ONLY
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# MCFG: digraph "Machine CFG for 'irreducible' function"
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# MCFG-NEXT: label="Machine CFG for 'irreducible' function"
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# MCFG: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.0:\l| successors: %bb.1(0x40000000), %bb.2(0x40000000)\l liveins: $vgpr0, $vgpr1, $vgpr2, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9,\l... $sgpr10_sgpr11, $sgpr14, $sgpr15, $sgpr16\l %0:sreg_32 = IMPLICIT_DEF\l %1:vgpr_32 = COPY $vgpr0\l %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec\l S_CMP_EQ_U32 %0:sreg_32, 0, implicit-def $scc\l S_CBRANCH_SCC1 %bb.1, implicit $scc\l S_BRANCH %bb.2\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.1:\l|\l successors: %bb.3(0x80000000)\l\l %3:vgpr_32 = PHI %2:vgpr_32, %bb.0, %4:vgpr_32, %bb.5\l %5:vgpr_32 = V_ADD_U32_e64 %3:vgpr_32, 1, 0, implicit $exec\l S_BRANCH %bb.3\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.2:\l|\l successors: %bb.3(0x80000000)\l\l %6:vgpr_32 = PHI %2:vgpr_32, %bb.0, %4:vgpr_32, %bb.4\l %7:vgpr_32 = V_ADD_U32_e64 %6:vgpr_32, 2, 0, implicit $exec\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.3:\l|\l successors: %bb.4(0x80000000)\l\l %4:vgpr_32 = PHI %5:vgpr_32, %bb.1, %7:vgpr_32, %bb.2\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.4:\l|\l successors: %bb.2(0x40000000), %bb.5(0x40000000)\l\l %8:vgpr_32 = V_AND_B32_e32 3, %1:vgpr_32, implicit $exec\l %9:sreg_64 = V_CMP_EQ_U32_e64 %8:vgpr_32, 2, implicit $exec\l %10:sreg_64 = SI_IF killed %9:sreg_64, %bb.2, implicit-def dead $exec,\l... implicit-def dead $scc, implicit $exec\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.5:\l|\l successors: %bb.1(0x40000000), %bb.6(0x40000000)\l\l %11:sreg_64 = V_CMP_EQ_U32_e64 %8:vgpr_32, 1, implicit $exec\l %12:sreg_64 = SI_IF killed %11:sreg_64, %bb.1, implicit-def dead $exec,\l... implicit-def dead $scc, implicit $exec\l}"];
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{bb.6:\l|\l\l S_ENDPGM 0\l}"];
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# MCFG-ONLY: digraph "Machine CFG for 'irreducible' function"
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# MCFG-ONLY-NEXT: label="Machine CFG for 'irreducible' function"
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# MCFG-ONLY: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.0}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.1}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.2}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.3}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.4}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.5}"];
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} -> Node{{[0-9A-Za-z]*}};
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# MCFG-ONLY-NEXT: Node{{[0-9A-Za-z]*}} [shape=record,label="{%bb.6}"];
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---
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name: irreducible
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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successors: %bb.1, %bb.2
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liveins: $vgpr0, $vgpr1, $vgpr2, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr14, $sgpr15, $sgpr16
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%0:sreg_32 = IMPLICIT_DEF
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%2:vgpr_32 = COPY $vgpr0
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%3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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S_CMP_EQ_U32 %0, 0, implicit-def $scc
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S_CBRANCH_SCC1 %bb.1, implicit $scc
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S_BRANCH %bb.2
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bb.1:
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%28:vgpr_32 = PHI %3, %bb.0, %49, %bb.5
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%29:vgpr_32 = V_ADD_U32_e64 %28, 1, 0, implicit $exec
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S_BRANCH %bb.3
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bb.2:
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%38:vgpr_32 = PHI %3, %bb.0, %49, %bb.4
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%39:vgpr_32 = V_ADD_U32_e64 %38, 2, 0, implicit $exec
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bb.3:
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%49:vgpr_32 = PHI %29, %bb.1, %39, %bb.2
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bb.4:
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successors: %bb.2, %bb.5
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%50:vgpr_32 = V_AND_B32_e32 3, %2, implicit $exec
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%51:sreg_64 = V_CMP_EQ_U32_e64 %50, 2, implicit $exec
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%52:sreg_64 = SI_IF killed %51:sreg_64, %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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bb.5:
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successors: %bb.1, %bb.6
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%61:sreg_64 = V_CMP_EQ_U32_e64 %50, 1, implicit $exec
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%62:sreg_64 = SI_IF killed %61:sreg_64, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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bb.6:
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S_ENDPGM 0
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...
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