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llvm-mirror/test/Transforms/SampleProfile/nodebug.ll
Dehao Chen ab1280a397 Before sample pgo annotation, do not inline a function that has no debug info. (NFC)
If there is no debug info in the callee, inlining it will not help annotator. This avoids infinite loop as reported in PR/31119.

llvm-svn: 287710
2016-11-22 22:50:01 +00:00

21 lines
531 B
LLVM

; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/nodebug.prof
define void @foo() !dbg !3 {
call void @bar(), !dbg !4
ret void
}
define void @bar() {
call void @bar()
ret void
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
!1 = !DIFile(filename: "t", directory: "/tmp/")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = distinct !DISubprogram(name: "a", scope: !1, file: !1, line: 10, unit: !0)
!4 = !DILocation(line: 10, scope: !3)