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// RUN: %clang_cc1 -emit-llvm -Oz < %s > %t 8// RUN: FileCheck %s --check-prefix=PRESENT < %t 9// RUN: FileCheck %s --check-prefix=MINSIZE < %t 10 11__attribute__((always_inline)) 12int test2() { return 0; } 13// OPTSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]] 14// MINSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]] 15 16__attribute__((optnone)) 17int test3() { return 0; } 18// PRESENT-DAG: @test3{{.*}}[[ATTR3:#[0-9]+]] 19 20__attribute__((optnone)) __attribute__((cold)) 21int test4() { return test2(); } 22// PRESENT-DAG: @test4{{.*}}[[ATTR4:#[0-9]+]] 23// Also check that test2 is inlined into test4 (always_inline still works). 24// PRESENT-NOT: call i32 @test2 25 26// Check for both noinline and optnone on each optnone function. 27// PRESENT-DAG: attributes [[ATTR3]] = { {{.*}}noinline{{.*}}optnone{{.*}} } 28// PRESENT-DAG: attributes [[ATTR4]] = { {{.*}}noinline{{.*}}optnone{{.*}} } 29 30// Check that no 'optsize' or 'minsize' attributes appear. 31// ABSENT-NOT: optsize 32// ABSENT-NOT: minsize 33 34// With -Os, check that 'optsize' appears only on test2. 35// OPTSIZE-NOT: optsize 36// OPTSIZE: attributes [[ATTR2]] = { {{.*}}optsize{{.*}} } 37// OPTSIZE-NOT: optsize 38 39// With -Oz, check that 'minsize' appears only on test2. 40// MINSIZE-NOT: minsize 41// MINSIZE: attributes [[ATTR2]] = { {{.*}}minsize{{.*}} } 42// MINSIZE-NOT: minsize 43