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)) 12 int test2() { return 0; } 13 // OPTSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]] 14 // MINSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]] 15 16 __attribute__((optnone)) 17 int test3() { return 0; } 18 // PRESENT-DAG: @test3{{.*}}[[ATTR3:#[0-9]+]] 19 20 __attribute__((optnone)) __attribute__((cold)) 21 int 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
