diff options
Diffstat (limited to 'llvm/test/Transforms/SampleProfile/remap.ll')
-rw-r--r-- | llvm/test/Transforms/SampleProfile/remap.ll | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SampleProfile/remap.ll b/llvm/test/Transforms/SampleProfile/remap.ll new file mode 100644 index 00000000000..206962a3bef --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/remap.ll @@ -0,0 +1,60 @@ +; RUN: opt %s -passes=sample-profile -sample-profile-file=%S/Inputs/remap.prof -sample-profile-remapping-file=%S/Inputs/remap.map | opt -analyze -branch-prob | FileCheck %s + +; Reduced from branch.ll + +declare i1 @foo() + +define void @_ZN3foo3barERKN1M1XINS_6detail3quxEEE() !dbg !2 { +; CHECK: Printing analysis 'Branch Probability Analysis' for function '_ZN3foo3barERKN1M1XINS_6detail3quxEEE': + +entry: + %cmp = call i1 @foo(), !dbg !6 + br i1 %cmp, label %if.then, label %if.end +; CHECK: edge entry -> if.then probability is 0x4ccf6b16 / 0x80000000 = 60.01% +; CHECK: edge entry -> if.end probability is 0x333094ea / 0x80000000 = 39.99% + +if.then: + br label %return + +if.end: + %cmp1 = call i1 @foo(), !dbg !7 + br i1 %cmp1, label %if.then.2, label %if.else +; CHECK: edge if.end -> if.then.2 probability is 0x6652c748 / 0x80000000 = 79.94% +; CHECK: edge if.end -> if.else probability is 0x19ad38b8 / 0x80000000 = 20.06% + +if.then.2: + call i1 @foo(), !dbg !8 + br label %for.cond + +for.cond: + %cmp5 = call i1 @foo() + br i1 %cmp5, label %for.body, label %for.end, !prof !9 +; CHECK: edge for.cond -> for.body probability is 0x73333333 / 0x80000000 = 90.00% +; CHECK: edge for.cond -> for.end probability is 0x0ccccccd / 0x80000000 = 10.00% + +for.body: + br label %for.cond + +for.end: + br label %return + +if.else: + br label %return + +return: + ret void +} + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!4, !5} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "foo++", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !{}, retainedTypes: !{}) +!1 = !DIFile(filename: "test.cc", directory: "/foo/bar") +!2 = distinct !DISubprogram(name: "_ZN3foo3barERKN1M1XINS_6detail3quxEEE", scope: !1, file: !1, line: 4, type: !3, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !{}) +!3 = !DISubroutineType(types: !{}) +!4 = !{i32 2, !"Dwarf Version", i32 4} +!5 = !{i32 2, !"Debug Info Version", i32 3} +!6 = !DILocation(line: 5, column: 8, scope: !2) +!7 = !DILocation(line: 8, column: 6, scope: !2) +!8 = !DILocation(line: 10, column: 11, scope: !2) +!9 = !{!"branch_weights", i32 90, i32 10} |