[Profile] Add new test

To test that online merging is enabled by default.

llvm-svn: 276493

diff --git a/compiler-rt/test/profile/instrprof-basic.c b/compiler-rt/test/profile/instrprof-basic.c
index 74232d6..dd8f3fc 100644 (file)
--- a/compiler-rt/test/profile/instrprof-basic.c
+++ b/compiler-rt/test/profile/instrprof-basic.c
@@ -17,6 +17,30 @@
 // RUN: %run %t.merge
 // RUN: llvm-profdata merge -o %t.m.profdata %t.dir2/
 // RUN: %clang_profuse=%t.m.profdata -o - -S -emit-llvm %s | FileCheck %s --check-prefix=COMMON --check-prefix=MERGE
+//
+// Test that merging is enabled by default with -fprofile-generate=
+// RUN: rm -fr %t.dir3
+// RUN: mkdir -p %t.dir3
+// RUN: %clang_pgogen=%t.dir3/ -o %t.merge3 -O0 %s
+// RUN: %run %t.merge3
+// RUN: %run %t.merge3
+// RUN: %run %t.merge3
+// RUN: %run %t.merge3
+// RUN: llvm-profdata merge -o %t.m3.profdata %t.dir3/
+// RUN: %clang_profuse=%t.m3.profdata -O0 -o - -S -emit-llvm %s | FileCheck %s --check-prefix=COMMON --check-prefix=PGOMERGE
+//
+// Test that merging is enabled by default with -fprofile-generate
+// RUN: rm -fr %t.dir4
+// RUN: mkdir -p %t.dir4
+// RUN: %clang_pgogen -o %t.dir4/merge4 -O0 %s
+// RUN: cd %t.dir4
+// RUN: %run %t.dir4/merge4
+// RUN: %run %t.dir4/merge4
+// RUN: %run %t.dir4/merge4
+// RUN: %run %t.dir4/merge4
+// RUN: rm -f %t.dir4/merge4
+// RUN: llvm-profdata merge -o %t.m4.profdata ./
+// RUN: %clang_profuse=%t.m4.profdata -O0 -o - -S -emit-llvm %s | FileCheck %s --check-prefix=COMMON  --check-prefix=PGOMERGE
 
 int begin(int i) {
   // COMMON: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PD1:[0-9]+]]
@@ -46,3 +70,5 @@ int main(int argc, const char *argv[]) {
 // ORIG: ![[PD2]] = !{!"branch_weights", i32 2, i32 1}
 // MERGE: ![[PD1]] = !{!"branch_weights", i32 1, i32 3}
 // MERGE: ![[PD2]] = !{!"branch_weights", i32 3, i32 1}
+// PGOMERGE: ![[PD1]] = !{!"branch_weights", i32 0, i32 4}
+// PGOMERGE: ![[PD2]] = !{!"branch_weights", i32 4, i32 0}