| ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/coverage-warning.prof -sample-profile-check-record-coverage=90 -sample-profile-check-sample-coverage=100 -o /dev/null 2>&1 | FileCheck %s |
| define i32 @foo(i32 %i) #0 !dbg !4 { |
| ; The profile has samples for line locations that are no longer present. |
| ; Coverage does not reach 90%, so we should get this warning: |
| ; |
| ; CHECK: warning: coverage-warning.c:1: 2 of 3 available profile records (66%) were applied |
| ; CHECK: warning: coverage-warning.c:1: 29000 of 30700 available profile samples (94%) were applied |
| entry: |
| %retval = alloca i32, align 4 |
| %i.addr = alloca i32, align 4 |
| store i32 %i, ptr %i.addr, align 4 |
| %0 = load i32, ptr %i.addr, align 4, !dbg !9 |
| %cmp = icmp sgt i32 %0, 1000, !dbg !10 |
| br i1 %cmp, label %if.then, label %if.end, !dbg !9 |
| |
| if.then: ; preds = %entry |
| store i32 30, ptr %retval, align 4, !dbg !11 |
| br label %return, !dbg !11 |
| |
| if.end: ; preds = %entry |
| store i32 3, ptr %retval, align 4, !dbg !12 |
| br label %return, !dbg !12 |
| |
| return: ; preds = %if.end, %if.then |
| %1 = load i32, ptr %retval, align 4, !dbg !13 |
| ret i32 %1, !dbg !13 |
| } |
| |
| attributes #0 = {"use-sample-profile"} |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!6, !7} |
| !llvm.ident = !{!8} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251524) (llvm/trunk 251531)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2) |
| !1 = !DIFile(filename: "coverage-warning.c", directory: ".") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !2) |
| !6 = !{i32 2, !"Dwarf Version", i32 4} |
| !7 = !{i32 2, !"Debug Info Version", i32 3} |
| !8 = !{!"clang version 3.8.0 (trunk 251524) (llvm/trunk 251531)"} |
| !9 = !DILocation(line: 2, column: 7, scope: !4) |
| !10 = !DILocation(line: 2, column: 9, scope: !4) |
| !11 = !DILocation(line: 3, column: 5, scope: !4) |
| !12 = !DILocation(line: 4, column: 3, scope: !4) |
| !13 = !DILocation(line: 5, column: 1, scope: !4) |
