1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s 2 3 // CHECK: %{{[a-z0-9]+}} = notail call i32 @callee0(i32 % 4 // CHECK: %{{[a-z0-9]+}} = notail call i32 @callee1(i32 % 5 6 // Check that indirect calls do not have the notail marker. 7 // CHECK: store i32 (i32)* @callee1, i32 (i32)** [[ALLOCA1:%[A-Za-z0-9]+]], align 8 8 // CHECK: [[INDIRFUNC:%[0-9]+]] = load i32 (i32)*, i32 (i32)** [[ALLOCA1]], align 8 9 // CHECK: %{{[a-z0-9]+}} = call i32 [[INDIRFUNC]](i32 %{{[0-9]+}} 10 11 // CHECK: %{{[a-z0-9]+}} = call i32 @callee2(i32 % 12 13 int callee0(int a) __attribute__((not_tail_called)) { 14 return a + 1; 15 } 16 17 int callee1(int) __attribute__((not_tail_called)); 18 19 int callee2(int); 20 21 typedef int (*FuncTy)(int); 22 23 int foo0(int a) { 24 if (a > 1) 25 return callee0(a); 26 if (a == 1) 27 return callee1(a); 28 if (a < 0) { 29 FuncTy F = callee1; 30 return (*F)(a); 31 } 32 return callee2(a); 33 } 34
