Vendor import of clang RELEASE_350/final tag r216957 (effectively, 3.5.0 release):

https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_350/final@216957

1 files changed, 58 insertions, 0 deletions

diff --git a/test/Profile/cxx-lambda.cpp b/test/Profile/cxx-lambda.cpp
new file mode 100644
index 0000000..6c37a86
--- /dev/null
+++ b/test/Profile/cxx-lambda.cpp
@@ -0,0 +1,58 @@
+// Tests for instrumentation of C++11 lambdas
+
+// RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instr-generate > %tgen
+// RUN: FileCheck --input-file=%tgen -check-prefix=PGOGEN %s
+// RUN: FileCheck --input-file=%tgen -check-prefix=LMBGEN %s
+
+// RUN: llvm-profdata merge %S/Inputs/cxx-lambda.proftext -o %t.profdata
+// RUN: %clang_cc1 -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-lambda.cpp -std=c++11 -o - -emit-llvm -fprofile-instr-use=%t.profdata > %tuse
+// RUN: FileCheck --input-file=%tuse -check-prefix=PGOUSE %s
+// RUN: FileCheck --input-file=%tuse -check-prefix=LMBUSE %s
+
+// PGOGEN: @[[LWC:__llvm_profile_counters__Z7lambdasv]] = hidden global [4 x i64] zeroinitializer
+// PGOGEN: @[[MAC:__llvm_profile_counters_main]] = hidden global [1 x i64] zeroinitializer
+// LMBGEN: @[[LFC:"__llvm_profile_counters__ZZ7lambdasvENK3\$_0clEi"]] = internal global [3 x i64] zeroinitializer
+
+// PGOGEN-LABEL: define void @_Z7lambdasv()
+// PGOUSE-LABEL: define void @_Z7lambdasv()
+// PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 0
+void lambdas() {
+  int i = 1;
+
+  // LMBGEN-LABEL: define internal{{( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"(
+  // LMBUSE-LABEL: define internal{{( zeroext)?}} i1 @"_ZZ7lambdasvENK3$_0clEi"(
+  // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 0
+  auto f = [&i](int k) {
+    // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 1
+    // LMBUSE: br {{.*}} !prof ![[LF1:[0-9]+]]
+    if (i > 0) {}
+    // LMBGEN: store {{.*}} @[[LFC]], i64 0, i64 2
+    // LMBUSE: br {{.*}} !prof ![[LF2:[0-9]+]]
+    return k && i;
+  };
+
+  // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 1
+  // PGOUSE: br {{.*}} !prof ![[LW1:[0-9]+]]
+  if (i) {}
+
+  // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 2
+  // PGOUSE: br {{.*}} !prof ![[LW2:[0-9]+]]
+  for (i = 0; i < 10; ++i)
+    f(9 - i);
+
+  // PGOGEN: store {{.*}} @[[LWC]], i64 0, i64 3
+  // PGOUSE: br {{.*}} !prof ![[LW3:[0-9]+]]
+  if (i) {}
+}
+
+// PGOUSE-DAG: ![[LW1]] = metadata !{metadata !"branch_weights", i32 2, i32 1}
+// PGOUSE-DAG: ![[LW2]] = metadata !{metadata !"branch_weights", i32 11, i32 2}
+// PGOUSE-DAG: ![[LW3]] = metadata !{metadata !"branch_weights", i32 2, i32 1}
+
+// LMBUSE-DAG: ![[LF1]] = metadata !{metadata !"branch_weights", i32 10, i32 2}
+// LMBUSE-DAG: ![[LF2]] = metadata !{metadata !"branch_weights", i32 10, i32 2}
+
+int main(int argc, const char *argv[]) {
+  lambdas();
+  return 0;
+}