File: instrprof-value-merge.c

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/// Without PIE function addresses are the same across runs and their value
/// sites can be merged, matching the test.
// RUN: %clang_pgogen -o %t -O3 %S/Inputs/instrprof-value-merge.c -no-pie
// RUN: rm -rf %t.profdir
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: llvm-profdata show -counts -function=main -ic-targets -memop-sizes %t.profdir/default_*.profraw | FileCheck %S/Inputs/instrprof-value-merge.c

/// -z start-stop-gc requires binutils 2.37. Don't test the option for now.
/// TODO: Add -Wl,--gc-sections.
// RUN: %clang_pgogen -o %t -O3 %S/Inputs/instrprof-value-merge.c -no-pie -fuse-ld=bfd -ffunction-sections -fdata-sections
// RUN: rm -rf %t.profdir
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: llvm-profdata show -counts -function=main -ic-targets -memop-sizes %t.profdir/default_*.profraw | FileCheck %S/Inputs/instrprof-value-merge.c

// RUN: %clang_pgogen -o %t -O3 %S/Inputs/instrprof-value-merge.c -no-pie -fuse-ld=gold -ffunction-sections -fdata-sections
// RUN: rm -rf %t.profdir
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
// RUN: llvm-profdata show -counts -function=main -ic-targets -memop-sizes %t.profdir/default_*.profraw | FileCheck %S/Inputs/instrprof-value-merge.c