test: Give instrumentation based profiling tests their own directory

These tests are logically related, but they're spread about several
different CodeGen directories. Consolidate them in one place to make
them easier to manage.

llvm-svn: 203541

1 files changed, 77 insertions, 0 deletions

diff --git a/clang/test/Profile/cxx-class.cpp b/clang/test/Profile/cxx-class.cpp
new file mode 100644
index 00000000000..5934a0adb7d
--- /dev/null
+++ b/clang/test/Profile/cxx-class.cpp
@@ -0,0 +1,77 @@
+// Tests for instrumentation of C++ methods, constructors, and destructors.
+
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-generate -fno-exceptions -target %itanium_abi_triple > %tgen
+// RUN: FileCheck --input-file=%tgen -check-prefix=CTRGEN %s
+// RUN: FileCheck --input-file=%tgen -check-prefix=DTRGEN %s
+// RUN: FileCheck --input-file=%tgen -check-prefix=MTHGEN %s
+// RUN: FileCheck --input-file=%tgen -check-prefix=WRPGEN %s
+
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-instr-use=%S/Inputs/cxx-class.profdata -fno-exceptions -target %itanium_abi_triple > %tuse
+// RUN: FileCheck --input-file=%tuse -check-prefix=CTRUSE %s
+// RUN: FileCheck --input-file=%tuse -check-prefix=DTRUSE %s
+// RUN: FileCheck --input-file=%tuse -check-prefix=MTHUSE %s
+// RUN: FileCheck --input-file=%tuse -check-prefix=WRPUSE %s
+
+class Simple {
+  int Member;
+public:
+  // CTRGEN-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
+  // CTRUSE-LABEL: define {{.*}} @_ZN6SimpleC2Ei(
+  // CTRGEN: store {{.*}} @[[SCC:__llvm_pgo_ctr[0-9]*]], i64 0, i64 0
+  explicit Simple(int Member) : Member(Member) {
+    // CTRGEN: store {{.*}} @[[SCC]], i64 0, i64 1
+    // CTRUSE: br {{.*}} !prof ![[SC1:[0-9]+]]
+    if (Member) {}
+    // CTRGEN-NOT: store {{.*}} @[[SCC]],
+    // CTRUSE-NOT: br {{.*}} !prof ![0-9]+
+    // CTRUSE: ret
+  }
+  // CTRUSE: ![[SC1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
+
+  // DTRGEN-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
+  // DTRUSE-LABEL: define {{.*}} @_ZN6SimpleD2Ev(
+  // DTRGEN: store {{.*}} @[[SDC:__llvm_pgo_ctr[0-9]*]], i64 0, i64 0
+  ~Simple() {
+    // DTRGEN: store {{.*}} @[[SDC]], i64 0, i64 1
+    // DTRUSE: br {{.*}} !prof ![[SD1:[0-9]+]]
+    if (Member) {}
+    // DTRGEN-NOT: store {{.*}} @[[SDC]],
+    // DTRUSE-NOT: br {{.*}} !prof ![0-9]+
+    // DTRUSE: ret
+  }
+  // DTRUSE: ![[SD1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
+
+  // MTHGEN-LABEL: define {{.*}} @_ZN6Simple6methodEv(
+  // MTHUSE-LABEL: define {{.*}} @_ZN6Simple6methodEv(
+  // MTHGEN: store {{.*}} @[[SMC:__llvm_pgo_ctr[0-9]*]], i64 0, i64 0
+  void method() {
+    // MTHGEN: store {{.*}} @[[SMC]], i64 0, i64 1
+    // MTHUSE: br {{.*}} !prof ![[SM1:[0-9]+]]
+    if (Member) {}
+    // MTHGEN-NOT: store {{.*}} @[[SMC]],
+    // MTHUSE-NOT: br {{.*}} !prof ![0-9]+
+    // MTHUSE: ret
+  }
+  // MTHUSE: ![[SM1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
+};
+
+// WRPGEN-LABEL: define {{.*}} @_Z14simple_wrapperv(
+// WRPUSE-LABEL: define {{.*}} @_Z14simple_wrapperv(
+// WRPGEN: store {{.*}} @[[SWC:__llvm_pgo_ctr[0-9]*]], i64 0, i64 0
+void simple_wrapper() {
+  // WRPGEN: store {{.*}} @[[SWC]], i64 0, i64 1
+  // WRPUSE: br {{.*}} !prof ![[SW1:[0-9]+]]
+  for (int I = 0; I < 100; ++I) {
+    Simple S(I);
+    S.method();
+  }
+  // WRPGEN-NOT: store {{.*}} @[[SWC]],
+  // WRPUSE-NOT: br {{.*}} !prof ![0-9]+
+  // WRPUSE: ret
+}
+// WRPUSE: ![[SW1]] = metadata !{metadata !"branch_weights", i32 100, i32 2}
+
+int main(int argc, const char *argv[]) {
+  simple_wrapper();
+  return 0;
+}