diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/SampleProfile.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/Transforms/SampleProfile/Inputs/cold-indirect-call.prof | 6 | ||||
| -rw-r--r-- | llvm/test/Transforms/SampleProfile/cold-indirect-call.ll | 31 |
3 files changed, 40 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp index f3bad362237..b6ea014e79f 100644 --- a/llvm/lib/Transforms/IPO/SampleProfile.cpp +++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp @@ -834,6 +834,9 @@ bool SampleProfileLoader::inlineHotFunctions( if (CalleeFunctionName == F.getName()) continue; + if (!callsiteIsHot(FS, PSI)) + continue; + const char *Reason = "Callee function not available"; auto R = SymbolMap.find(CalleeFunctionName); if (R != SymbolMap.end() && R->getValue() && diff --git a/llvm/test/Transforms/SampleProfile/Inputs/cold-indirect-call.prof b/llvm/test/Transforms/SampleProfile/Inputs/cold-indirect-call.prof new file mode 100644 index 00000000000..636ed7e0068 --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/Inputs/cold-indirect-call.prof @@ -0,0 +1,6 @@ +foo:5000:1 + 1: 2000 quz:1000 + 1: bar:3000 + 1: 3000 + 1: baz:0 + 1: 0 diff --git a/llvm/test/Transforms/SampleProfile/cold-indirect-call.ll b/llvm/test/Transforms/SampleProfile/cold-indirect-call.ll new file mode 100644 index 00000000000..b8a61e07ae7 --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/cold-indirect-call.ll @@ -0,0 +1,31 @@ +; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/cold-indirect-call.prof -S | FileCheck %s +; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/cold-indirect-call.prof -S | FileCheck %s + +define i32 @foo(i32 ()* %func) !dbg !3 { +; CHECK: icmp {{.*}} @bar +; CHECK-NOT: icmp {{.*}} @baz + %call = call i32 %func(), !dbg !4 + ret i32 %call +} + +define i32 @bar() !dbg !5 { + ret i32 41, !dbg !6 +} + +define i32 @baz() !dbg !7 { + ret i32 42, !dbg !8 +} + + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!2} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1) +!1 = !DIFile(filename: "foo.cc", directory: "/") +!2 = !{i32 2, !"Debug Info Version", i32 3} +!3 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, unit: !0) +!4 = !DILocation(line: 5, scope: !3) +!5 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 8, unit: !0) +!6 = !DILocation(line: 9, scope: !5) +!7 = distinct !DISubprogram(name: "baz", scope: !1, file: !1, line: 12, unit: !0) +!8 = !DILocation(line: 13, scope: !7) |
