244 lines
7.1 KiB
Text
244 lines
7.1 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
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# RUN: llc -mtriple=i386-unknown-linux-gnu -verify-coalescing -run-pass=register-coalescer -o - %s | FileCheck %s
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# Make sure no verifier error is produced from coalescing the identity
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# copy in bb.3 with live out implicit_defs. The value is live out of
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# the block, and the incoming value is a phi def.
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---
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name: pr38795_verifier_error_reduced_1
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: pr38795_verifier_error_reduced_1
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $eax
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY $eax
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: JCC_1 %bb.3, 4, implicit undef $eflags
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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: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3:
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; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JCC_1 %bb.5, 4, implicit undef $eflags
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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: [[COPY:%[0-9]+]]:gr32 = COPY [[MOV32r0_]]
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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: [[COPY1:%[0-9]+]]:gr32 = COPY [[COPY]]
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; CHECK-NEXT: JMP_1 %bb.1
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bb.0:
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liveins: $eax
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%0:gr32 = COPY $eax
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bb.1:
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%1:gr32 = IMPLICIT_DEF
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JCC_1 %bb.3, 4, implicit undef $eflags
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bb.2:
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%0:gr32 = MOV32r0 implicit-def dead $eflags
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bb.3:
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%0:gr32 = COPY %0
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JCC_1 %bb.5, 4, implicit undef $eflags
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bb.4:
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%1:gr32 = COPY %0
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bb.5:
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%0:gr32 = COPY killed %1
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JMP_1 %bb.1
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...
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# Check for "Instruction ending live segment doesn't read the
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# register" verifier error after coalescing
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# This still failed with a similar error after a preliminary fix was
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# attempted for pr38795_verifier_error_reduced_1
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---
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name: pr38795_verifier_error_reduced_2
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: pr38795_verifier_error_reduced_2
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF1:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: JCC_1 %bb.3, 4, implicit killed undef $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: successors: %bb.9(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JMP_1 %bb.9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3:
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; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.4(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JCC_1 %bb.5, 5, implicit killed undef $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4:
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; CHECK-NEXT: successors: %bb.6(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags
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; CHECK-NEXT: JMP_1 %bb.6
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.5:
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; CHECK-NEXT: successors: %bb.9(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF1:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: JMP_1 %bb.9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.6:
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; CHECK-NEXT: successors: %bb.8(0x40000000), %bb.7(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JCC_1 %bb.8, 4, implicit killed undef $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.7:
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; CHECK-NEXT: successors: %bb.8(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY [[DEF1]]
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.8:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY [[COPY]]
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; CHECK-NEXT: JMP_1 %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.9:
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; CHECK-NEXT: successors: %bb.6(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JMP_1 %bb.6
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bb.0:
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%0:gr32 = IMPLICIT_DEF
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bb.1:
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%1:gr32 = IMPLICIT_DEF
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JCC_1 %bb.3, 4, implicit killed undef $eflags
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bb.2:
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%2:gr32 = COPY killed %0
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JMP_1 %bb.9
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bb.3:
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JCC_1 %bb.5, 5, implicit killed undef $eflags
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bb.4:
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%3:gr32 = MOV32r0 implicit-def dead $eflags
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JMP_1 %bb.6
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bb.5:
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%2:gr32 = IMPLICIT_DEF
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JMP_1 %bb.9
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bb.6:
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JCC_1 %bb.8, 4, implicit killed undef $eflags
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bb.7:
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%1:gr32 = COPY killed %3
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bb.8:
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%4:gr32 = COPY killed %1
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%0:gr32 = COPY killed %4
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JMP_1 %bb.1
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bb.9:
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%3:gr32 = COPY killed %2
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JMP_1 %bb.6
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...
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# Still failed after patch for first 2 failures
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---
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name: pr38795_verifier_error_reduced_3
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: pr38795_verifier_error_reduced_3
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.1(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: [[DEF1:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: JCC_1 %bb.5, 4, implicit killed undef $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.5(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF2:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32 = COPY [[DEF]]
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; CHECK-NEXT: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def dead $eflags
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; CHECK-NEXT: JCC_1 %bb.4, 5, implicit killed undef $eflags
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; CHECK-NEXT: JMP_1 %bb.5
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: TEST32rr undef [[COPY]], [[COPY]], implicit-def $eflags
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; CHECK-NEXT: [[DEF1:%[0-9]+]]:gr32 = IMPLICIT_DEF
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; CHECK-NEXT: JCC_1 %bb.4, 4, implicit killed undef $eflags
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3:
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; CHECK-NEXT: successors: %bb.4(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY [[MOV32r0_]]
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY2:%[0-9]+]]:gr32 = COPY [[COPY1]]
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; CHECK-NEXT: JMP_1 %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.5:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: JMP_1 %bb.2
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bb.0:
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%0:gr32 = IMPLICIT_DEF
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%1:gr32 = IMPLICIT_DEF
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JCC_1 %bb.5, 4, implicit killed undef $eflags
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bb.1:
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%2:gr32 = IMPLICIT_DEF
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%1:gr32 = COPY killed %0
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%0:gr32 = MOV32r0 implicit-def dead $eflags
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JCC_1 %bb.4, 5, implicit killed undef $eflags
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JMP_1 %bb.5
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bb.2:
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TEST32rr undef %1, %1, implicit-def $eflags
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%2:gr32 = IMPLICIT_DEF
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JCC_1 %bb.4, 4, implicit killed undef $eflags
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bb.3:
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%2:gr32 = COPY killed %0
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bb.4:
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%0:gr32 = COPY killed %2
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JMP_1 %bb.1
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bb.5:
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JMP_1 %bb.2
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...
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