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author | Dehao Chen <dehao@google.com> | 2016-11-22 22:50:01 +0000 |
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committer | Dehao Chen <dehao@google.com> | 2016-11-22 22:50:01 +0000 |
commit | 554f500ae2b978473f3a200afb6e32c378a3a8bf (patch) | |
tree | 7de09bb3d6d15619b2aebd51ee7b7df384298523 /llvm/test/Transforms/SampleProfile/nodebug.ll | |
parent | e7ffae9dea1c934d3f9be2b74a629f215d674fe1 (diff) | |
download | bcm5719-llvm-554f500ae2b978473f3a200afb6e32c378a3a8bf.tar.gz bcm5719-llvm-554f500ae2b978473f3a200afb6e32c378a3a8bf.zip |
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
Diffstat (limited to 'llvm/test/Transforms/SampleProfile/nodebug.ll')
-rw-r--r-- | llvm/test/Transforms/SampleProfile/nodebug.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SampleProfile/nodebug.ll b/llvm/test/Transforms/SampleProfile/nodebug.ll new file mode 100644 index 00000000000..d1c53c1a6f2 --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/nodebug.ll @@ -0,0 +1,20 @@ +; 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) |