1 // RUN: %clang_cc1 -Oz -emit-llvm %s -o - | FileCheck %s -check-prefix=Oz 2 // RUN: %clang_cc1 -O0 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER 3 // RUN: %clang_cc1 -O1 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER 4 // RUN: %clang_cc1 -O2 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER 5 // RUN: %clang_cc1 -O3 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER 6 // RUN: %clang_cc1 -Os -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER 7 // Check that we set the minsize attribute on each function 8 // when Oz optimization level is set. 9 10 int test1() { 11 return 42; 12 // Oz: @{{.*}}test1{{.*}}#0 13 // Oz: ret 14 // OTHER: @{{.*}}test1 15 // OTHER-NOT: #1 16 // OTHER: ret 17 } 18 19 int test2() { 20 return 42; 21 // Oz: @{{.*}}test2{{.*}}#0 22 // Oz: ret 23 // OTHER: @{{.*}}test2 24 // OTHER-NOT: #1 25 // OTHER: ret 26 } 27 28 __attribute__((minsize)) 29 int test3() { 30 return 42; 31 // Oz: @{{.*}}test3{{.*}}#0 32 // OTHER: @{{.*}}test3{{.*}}#1 33 } 34 35 // Check that the minsize attribute is well propagated through 36 // template instantiation 37 38 template<typename T> 39 __attribute__((minsize)) 40 void test4(T arg) { 41 return; 42 } 43 44 template 45 void test4<int>(int arg); 46 // Oz: define{{.*}}void @{{.*}}test4 47 // Oz: #0 48 // OTHER: define{{.*}}void @{{.*}}test4 49 // OTHER: #1 50 51 template 52 void test4<float>(float arg); 53 // Oz: define{{.*}}void @{{.*}}test4 54 // Oz: #0 55 // OTHER: define{{.*}}void @{{.*}}test4 56 // OTHER: #1 57 58 template<typename T> 59 void test5(T arg) { 60 return; 61 } 62 63 template 64 void test5<int>(int arg); 65 // Oz: define{{.*}}void @{{.*}}test5 66 // Oz: #0 67 // OTHER: define{{.*}}void @{{.*}}test5 68 // OTHER-NOT: define{{.*}}void @{{.*}}test5{{.*}}#1 69 70 template 71 void test5<float>(float arg); 72 // Oz: define{{.*}}void @{{.*}}test5 73 // Oz: #0 74 // OTHER: define{{.*}}void @{{.*}}test5 75 // OTHER-NOT: define{{.*}}void @{{.*}}test5{{.*}}#1 76 77 // Oz: attributes #0 = { minsize nounwind optsize readnone "target-features"={{.*}} } 78 79 // OTHER: attributes #0 = { nounwind {{.*}}"target-features"={{.*}} } 80 // OTHER: attributes #1 = { minsize nounwind {{.*}}"target-features"={{.*}} } 81