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47 lines
1.1 KiB
YAML
47 lines
1.1 KiB
YAML
# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
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# This test ensures that the MIR parser parses basic block successors and
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# weights correctly.
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--- |
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define i32 @foo(i32 %a) {
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entry:
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%0 = icmp sle i32 %a, 10
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br i1 %0, label %less, label %exit
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less:
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ret i32 0
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exit:
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ret i32 %a
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}
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...
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---
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name: foo
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body:
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# CHECK: name: entry
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# CHECK: successors: [ '%bb.1.less', '%bb.2.exit' ]
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# CHECK-NEXT: weights: [ 16, 32 ]
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# CHECK: name: less
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- id: 0
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name: entry
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successors: [ '%bb.1.less', '%bb.2.exit' ]
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weights: [ 16, 32 ]
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liveins: [ '%edi' ]
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instructions:
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- 'CMP32ri8 %edi, 10, implicit-def %eflags'
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- 'JG_1 %bb.2.exit, implicit killed %eflags'
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- id: 1
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name: less
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instructions:
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- '%eax = MOV32r0 implicit-def dead %eflags'
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- 'RETQ killed %eax'
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- id: 2
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name: exit
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liveins: [ '%edi' ]
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instructions:
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- '%eax = COPY killed %edi'
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- 'RETQ killed %eax'
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...
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