diff options
Diffstat (limited to 'llvm/test/Transforms/SampleProfile')
4 files changed, 129 insertions, 3 deletions
diff --git a/llvm/test/Transforms/SampleProfile/Inputs/warm-inline-instance.prof b/llvm/test/Transforms/SampleProfile/Inputs/warm-inline-instance.prof new file mode 100644 index 00000000000..a1b0e27dd58 --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/Inputs/warm-inline-instance.prof @@ -0,0 +1,11 @@ +main:2257150:0 + 2.1: 5553 + 3: 5391 + 3.1: foo:5860 + 0: 5279 + 1: 5279 + 2: 5279 + 4.1: goo:60 + 0: 20 + 1: 20 + 2: 20 diff --git a/llvm/test/Transforms/SampleProfile/function_metadata.ll b/llvm/test/Transforms/SampleProfile/function_metadata.ll index e6e57dba984..41cff6e7977 100644 --- a/llvm/test/Transforms/SampleProfile/function_metadata.ll +++ b/llvm/test/Transforms/SampleProfile/function_metadata.ll @@ -28,7 +28,7 @@ define void @test_liveness() !dbg !12 { ; GUIDs of foo, bar, foo1, foo2 and foo3 should be included in the metadata to ; make sure hot inline stacks are imported. -; CHECK: ![[ENTRY_TEST]] = !{!"function_entry_count", i64 1, i64 2494702099028631698, i64 6699318081062747564, i64 7682762345278052905, i64 -7908226060800700466, i64 -2012135647395072713} +; CHECK: ![[ENTRY_TEST]] = !{!"function_entry_count", i64 1, i64 2494702099028631698, i64 6699318081062747564, i64 7546896869197086323, i64 7682762345278052905, i64 -7908226060800700466, i64 -2012135647395072713} ; Check GUIDs for both foo and foo_available are included in the metadata to ; make sure the liveness analysis can capture the dependency from test_liveness diff --git a/llvm/test/Transforms/SampleProfile/inline.ll b/llvm/test/Transforms/SampleProfile/inline.ll index 17e0c5990f4..bd7b024c553 100644 --- a/llvm/test/Transforms/SampleProfile/inline.ll +++ b/llvm/test/Transforms/SampleProfile/inline.ll @@ -1,5 +1,5 @@ -; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -sample-profile-inline-hot-threshold=1 -S | FileCheck %s -; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -sample-profile-inline-hot-threshold=1 -S | FileCheck %s +; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s +; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline.prof -S | FileCheck %s ; Original C++ test case ; diff --git a/llvm/test/Transforms/SampleProfile/warm-inline-instance.ll b/llvm/test/Transforms/SampleProfile/warm-inline-instance.ll new file mode 100644 index 00000000000..622db49b707 --- /dev/null +++ b/llvm/test/Transforms/SampleProfile/warm-inline-instance.ll @@ -0,0 +1,115 @@ +; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s +; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/warm-inline-instance.prof -S | FileCheck %s + +@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1 + +; Function Attrs: nounwind uwtable +define i32 @foo(i32 %x, i32 %y) !dbg !4 { +entry: + %x.addr = alloca i32, align 4 + %y.addr = alloca i32, align 4 + store i32 %x, i32* %x.addr, align 4 + store i32 %y, i32* %y.addr, align 4 + %t0 = load i32, i32* %x.addr, align 4, !dbg !11 + %t1 = load i32, i32* %y.addr, align 4, !dbg !11 + %add = add nsw i32 %t0, %t1, !dbg !11 + ret i32 %add, !dbg !11 +} + +define i32 @goo(i32 %x, i32 %y) { +entry: + %x.addr = alloca i32, align 4 + %y.addr = alloca i32, align 4 + store i32 %x, i32* %x.addr, align 4 + store i32 %y, i32* %y.addr, align 4 + %t0 = load i32, i32* %x.addr, align 4, !dbg !11 + %t1 = load i32, i32* %y.addr, align 4, !dbg !11 + %add = add nsw i32 %t0, %t1, !dbg !11 + ret i32 %add, !dbg !11 +} + +; Function Attrs: uwtable +define i32 @main() !dbg !7 { +entry: + %retval = alloca i32, align 4 + %s = alloca i32, align 4 + %i = alloca i32, align 4 + store i32 0, i32* %retval + store i32 0, i32* %i, align 4, !dbg !12 + br label %while.cond, !dbg !13 + +while.cond: ; preds = %if.end, %entry + %t0 = load i32, i32* %i, align 4, !dbg !14 + %inc = add nsw i32 %t0, 1, !dbg !14 + store i32 %inc, i32* %i, align 4, !dbg !14 + %cmp = icmp slt i32 %t0, 400000000, !dbg !14 + br i1 %cmp, label %while.body, label %while.end, !dbg !14 + +while.body: ; preds = %while.cond + %t1 = load i32, i32* %i, align 4, !dbg !16 + %cmp1 = icmp ne i32 %t1, 100, !dbg !16 + br i1 %cmp1, label %if.then, label %if.else, !dbg !16 + +if.then: ; preds = %while.body + %t2 = load i32, i32* %i, align 4, !dbg !18 + %t3 = load i32, i32* %s, align 4, !dbg !18 +; Although the ratio of total samples of @foo vs total samples of @main is +; small, since the total samples count is larger than hot cutoff computed by +; ProfileSummaryInfo, we will still regard the callsite of foo as hot and +; early inlining will inline it. +; CHECK-LABEL: @main( +; CHECK-NOT: call i32 @foo(i32 %t2, i32 %t3) + %call1 = call i32 @foo(i32 %t2, i32 %t3), !dbg !18 + store i32 %call1, i32* %s, align 4, !dbg !18 + br label %if.end, !dbg !18 + +if.else: ; preds = %while.body +; call @goo 's basicblock doesn't get any sample, so no profile will be annotated. +; CHECK: call i32 @goo(i32 2, i32 3), !dbg !{{[0-9]+}} +; CHECK-NOT: !prof +; CHECK-SAME: {{$}} + %call2 = call i32 @goo(i32 2, i32 3), !dbg !26 + store i32 %call2, i32* %s, align 4, !dbg !20 + br label %if.end + +if.end: ; preds = %if.else, %if.then + br label %while.cond, !dbg !22 + +while.end: ; preds = %while.cond + %t4 = load i32, i32* %s, align 4, !dbg !24 + %call3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %t4), !dbg !24 + ret i32 0, !dbg !25 +} + +declare i32 @printf(i8*, ...) #2 + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!8, !9} +!llvm.ident = !{!10} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) +!1 = !DIFile(filename: "calls.cc", directory: ".") +!2 = !{} +!4 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) +!5 = !DIFile(filename: "calls.cc", directory: ".") +!6 = !DISubroutineType(types: !2) +!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2) +!8 = !{i32 2, !"Dwarf Version", i32 4} +!9 = !{i32 1, !"Debug Info Version", i32 3} +!10 = !{!"clang version 3.5 "} +!11 = !DILocation(line: 4, scope: !4) +!12 = !DILocation(line: 8, scope: !7) +!13 = !DILocation(line: 9, scope: !7) +!14 = !DILocation(line: 9, scope: !15) +!15 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !7) +!16 = !DILocation(line: 10, scope: !17) +!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7) +!18 = !DILocation(line: 10, scope: !19) +!19 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17) +!20 = !DILocation(line: 10, scope: !21) +!21 = !DILexicalBlockFile(discriminator: 4, file: !1, scope: !17) +!22 = !DILocation(line: 10, scope: !23) +!23 = !DILexicalBlockFile(discriminator: 6, file: !1, scope: !17) +!24 = !DILocation(line: 11, scope: !7) +!25 = !DILocation(line: 12, scope: !7) +!26 = !DILocation(line: 11, scope: !19) |
