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llvm-project/clang/test/CodeGenCXX/merge-functions.cpp

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Add a new -fmerge-functions -cc1 flag that enables function merging. llvm-svn: 220543
2014-10-24 08:49:29 +08:00
// REQUIRES: x86-registered-target
[Clang] Disable new PM for tests that use optimization level -O1, -O2 and -O3 Tests that use -O1, -O2 and -O3 would often produce different results with the new pass manager which makes these tests fail. Disable new PM explicitly for these tests. Differential Revision: https://reviews.llvm.org/D58375 llvm-svn: 362580
2019-06-05 11:17:11 +08:00
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -O1 -fno-experimental-new-pass-manager -fmerge-functions -emit-llvm -o - -x c++ < %s | FileCheck %s -implicit-check-not=_ZN1A1gEiPi
Add a new -fmerge-functions -cc1 flag that enables function merging. llvm-svn: 220543
2014-10-24 08:49:29 +08:00
// Basic functionality test. Function merging doesn't kick in on functions that
// are too simple.
struct A {
virtual int f(int x, int *p) { return x ? *p : 1; }
virtual int g(int x, int *p) { return x ? *p : 1; }
} a;
[MergeFunc] Update clang test for r350939 In r350939, the MergeFunc pass learned to erase duplicate functions which are discardable if unused. llvm-svn: 350952
2019-01-12 02:51:02 +08:00
// CHECK: define {{.*}} @_ZN1A1fEiPi