1 // RUN: %clang_cc1 -emit-llvm < %s > %t 2 // RUN: FileCheck %s --check-prefix=PRESENT < %t 3 // RUN: FileCheck %s --check-prefix=ABSENT < %t 4 // RUN: %clang_cc1 -emit-llvm -Os < %s > %t 5 // RUN: FileCheck %s --check-prefix=PRESENT < %t 6 // RUN: FileCheck %s --check-prefix=OPTSIZE < %t 7 8 __attribute__((always_inline)) 9 int test2() { return 0; } 10 // OPTSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]] 11 12 __attribute__((optnone)) __attribute__((minsize)) 13 int test3() { return 0; } 14 // PRESENT-DAG: @test3{{.*}}[[ATTR3:#[0-9]+]] 15 16 __attribute__((optnone)) __attribute__((cold)) 17 int test4() { return test2(); } 18 // PRESENT-DAG: @test4{{.*}}[[ATTR4:#[0-9]+]] 19 // Also check that test2 is inlined into test4 (always_inline still works). 20 // PRESENT-NOT: call i32 @test2 21 22 // Check for both noinline and optnone on each optnone function. 23 // PRESENT-DAG: attributes [[ATTR3]] = { {{.*}}noinline{{.*}}optnone{{.*}} } 24 // PRESENT-DAG: attributes [[ATTR4]] = { {{.*}}noinline{{.*}}optnone{{.*}} } 25 26 // Check that no 'optsize' or 'minsize' attributes appear. 27 // ABSENT-NOT: optsize 28 // ABSENT-NOT: minsize 29 30 // With -Os, check that 'optsize' appears only on test2. 31 // OPTSIZE-NOT: optsize 32 // OPTSIZE: attributes [[ATTR2]] = { {{.*}}optsize{{.*}} } 33 // OPTSIZE-NOT: optsize 34