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llvm-mirror/test/CodeGen/MIR/X86/successor-basic-blocks-few-weights.mir
Alex Lorenz 1f1154a568 MIR Serialization: Serialize the machine basic block's successor weights.
Reviewers: Duncan P. N. Exon Smith
llvm-svn: 243659
2015-07-30 16:54:38 +00:00

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# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
--- |
define i32 @foo(i32 %a) {
entry:
%0 = icmp sle i32 %a, 10
br i1 %0, label %less, label %exit
less:
ret i32 0
exit:
ret i32 %a
}
...
---
name: foo
body:
- id: 0
name: entry
successors: [ '%bb.1.less', '%bb.2.exit' ]
# CHECK: [[@LINE+1]]:23: too few successor weights, expected 2, have 1
weights: [ 16 ]
liveins: [ '%edi' ]
instructions:
- 'CMP32ri8 %edi, 10, implicit-def %eflags'
- 'JG_1 %bb.2.exit, implicit killed %eflags'
- id: 1
name: less
instructions:
- '%eax = MOV32r0 implicit-def dead %eflags'
- 'RETQ killed %eax'
- id: 2
name: exit
liveins: [ '%edi' ]
instructions:
- '%eax = COPY killed %edi'
- 'RETQ killed %eax'
...