Author: dehao Date: Fri Jul 7 15:01:47 2017 New Revision: 307445 URL: http://llvm.org/viewvc/llvm-project?rev=307445&view=rev Log: Add sample PGO integration test to cover profile annotation and inlining.
Summary: The patch makes the integration test cover major sample PGO components. Reviewers: davidxl Reviewed By: davidxl Subscribers: sanjoy, cfe-commits Differential Revision: https://reviews.llvm.org/D34725 Modified: cfe/trunk/test/CodeGen/Inputs/pgo-sample.prof cfe/trunk/test/CodeGen/pgo-sample.c Modified: cfe/trunk/test/CodeGen/Inputs/pgo-sample.prof URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/Inputs/pgo-sample.prof?rev=307445&r1=307444&r2=307445&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/Inputs/pgo-sample.prof (original) +++ cfe/trunk/test/CodeGen/Inputs/pgo-sample.prof Fri Jul 7 15:01:47 2017 @@ -1,2 +1,7 @@ -bar:100:100 - 1: 2000 +bar:1000:1000 + 1: 1000 + 2: 0 +foo:1000:1000 + 1:bar:1000 + 1: 1000 + 2: 1000 Modified: cfe/trunk/test/CodeGen/pgo-sample.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/pgo-sample.c?rev=307445&r1=307444&r2=307445&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/pgo-sample.c (original) +++ cfe/trunk/test/CodeGen/pgo-sample.c Fri Jul 7 15:01:47 2017 @@ -1,6 +1,34 @@ // Test if PGO sample use passes are invoked. // -// Ensure Pass PGOInstrumentationGenPass is invoked. -// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s -// CHECK: Remove unused exception handling info -// CHECK: Sample profile pass +// Ensure Pass SampleProfileLoader is invoked. +// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=STRUCTURE +// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -mllvm -inline-threshold=0 -emit-llvm -o - 2>&1 | FileCheck %s +// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -mllvm -inline-threshold=0 -emit-llvm -fexperimental-new-pass-manager -o - 2>&1 | FileCheck %s +// STRUCTURE: Remove unused exception handling info +// STRUCTURE: Sample profile pass + +void baz(); + +// CHECK-LABEL: @callee( +void callee(int t) { + for (int i = 0; i < t; i++) + baz(); +} + +// CHECK-LABEL: @bar( +// cold call to callee should not be inlined. +// CHECK: call void @callee +void bar(int x) { + if (x < 100) + callee(x); +} + +// CHECK-LABEL: @foo( +// bar should be early-inlined because it is hot inline instance in profile. +// callee should be inlined because it is hot callsite in the inline instance +// of foo:bar. +// CHECK-NOT: call void @callee +// CHECK-NOT: call void @bar +void foo(int x) { + bar(x); +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
