| // RUN: %clang_cc1 -Oz -emit-llvm %s -o - | FileCheck %s -check-prefix=Oz |
| // RUN: %clang_cc1 -O0 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER |
| // RUN: %clang_cc1 -O1 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER |
| // RUN: %clang_cc1 -O2 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER |
| // RUN: %clang_cc1 -O3 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER |
| // RUN: %clang_cc1 -Os -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER |
| // Check that we set the minsize attribute on each function |
| // when Oz optimization level is set. |
| |
| int test1() { |
| return 42; |
| // Oz: @{{.*}}test1{{.*}}minsize |
| // Oz: ret |
| // OTHER: @{{.*}}test1 |
| // OTHER-NOT: minsize |
| // OTHER: ret |
| } |
| |
| int test2() { |
| return 42; |
| // Oz: @{{.*}}test2{{.*}}minsize |
| // Oz: ret |
| // OTHER: @{{.*}}test2 |
| // OTHER-NOT: minsize |
| // OTHER: ret |
| } |
| |
| __attribute__((minsize)) |
| int test3() { |
| return 42; |
| // Oz: @{{.*}}test3{{.*}}minsize |
| // OTHER: @{{.*}}test3{{.*}}minsize |
| } |
| |
| // Check that the minsize attribute is well propagated through |
| // template instantiation |
| |
| template<typename T> |
| __attribute__((minsize)) |
| void test4(T arg) { |
| return; |
| } |
| |
| template |
| void test4<int>(int arg); |
| // Oz: define{{.*}}void @{{.*}}test4 |
| // Oz: minsize |
| // OTHER: define{{.*}}void @{{.*}}test4 |
| // OTHER: minsize |
| |
| template |
| void test4<float>(float arg); |
| // Oz: define{{.*}}void @{{.*}}test4 |
| // Oz: minsize |
| // OTHER: define{{.*}}void @{{.*}}test4 |
| // OTHER: minsize |
| |
| template<typename T> |
| void test5(T arg) { |
| return; |
| } |
| |
| template |
| void test5<int>(int arg); |
| // Oz: define{{.*}}void @{{.*}}test5 |
| // Oz: minsize |
| // OTHER: define{{.*}}void @{{.*}}test5 |
| // OTHER-NOT: minsize |
| |
| template |
| void test5<float>(float arg); |
| // Oz: define{{.*}}void @{{.*}}test5 |
| // Oz: minsize |
| // OTHER: define{{.*}}void @{{.*}}test5 |
| // OTHER-NOT: minsize |
