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
diff --git a/llvm/test/Transforms/SampleProfile/Inputs/nodebug.prof b/llvm/test/Transforms/SampleProfile/Inputs/nodebug.prof
new file mode 100644
index 0000000..4859603
--- /dev/null
+++ b/llvm/test/Transforms/SampleProfile/Inputs/nodebug.prof
@@ -0,0 +1,2 @@
+foo:100:10
+ 0: bar:10
diff --git a/llvm/test/Transforms/SampleProfile/early-inline.ll b/llvm/test/Transforms/SampleProfile/early-inline.ll
index 6e55ab1..780ff47 100644
--- a/llvm/test/Transforms/SampleProfile/early-inline.ll
+++ b/llvm/test/Transforms/SampleProfile/early-inline.ll
@@ -28,7 +28,7 @@
}
; Function Attrs: nounwind uwtable
-define internal void @_ZL3barv() #1 {
+define internal void @_ZL3barv() !dbg !12 {
ret void
}
@@ -45,3 +45,4 @@
!9 = !DILocation(line: 6, column: 3, scope: !6)
!10 = !DILocation(line: 8, column: 5, scope: !11)
!11 = distinct !DILexicalBlock(scope: !6, file: !1, line: 7, column: 7)
+!12 = distinct !DISubprogram(linkageName: "_ZL3barv", scope: !1, line: 20, scopeLine: 20, unit: !0)
diff --git a/llvm/test/Transforms/SampleProfile/nodebug.ll b/llvm/test/Transforms/SampleProfile/nodebug.ll
new file mode 100644
index 0000000..d1c53c1
--- /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)