c-strings.c revision b8409215523e5478b8b0aa9cdcd10038cf7651fe
157e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s 26143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 357e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// Should be 3 hello strings, two global (of different sizes), the rest are 457e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// shared. 56143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 6b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand// CHECK: @align = global i8 [[ALIGN:[0-9]+]] 757e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: @.str = private unnamed_addr constant [6 x i8] c"hello\00" 857e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: @f1.x = internal global i8* getelementptr inbounds ([6 x i8]* @.str, i32 0, i32 0) 9b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand// CHECK: @f2.x = internal global [6 x i8] c"hello\00", align [[ALIGN]] 10b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand// CHECK: @f3.x = internal global [8 x i8] c"hello\00\00\00", align [[ALIGN]] 1157e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: @f4.x = internal global %struct.s { i8* getelementptr inbounds ([6 x i8]* @.str, i32 0, i32 0) } 12b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand// CHECK: @x = global [3 x i8] c"ola", align [[ALIGN]] 13b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand 14b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand#if defined(__s390x__) 15b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigandunsigned char align = 2; 16b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand#else 17b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigandunsigned char align = 1; 18b8409215523e5478b8b0aa9cdcd10038cf7651feUlrich Weigand#endif 1957e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko 2057e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenkovoid bar(const char *); 2157e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko 2257e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: define void @f0() 236143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbarvoid f0() { 246143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar bar("hello"); 2557e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: call void @bar({{.*}} @.str 266143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar} 276143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 2857e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: define void @f1() 296143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbarvoid f1() { 306143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar static char *x = "hello"; 316143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar bar(x); 3257e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: [[T1:%.*]] = load i8** @f1.x 3357e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: call void @bar(i8* [[T1:%.*]]) 346143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar} 356143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 3657e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: define void @f2() 376143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbarvoid f2() { 386143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar static char x[] = "hello"; 396143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar bar(x); 4057e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: call void @bar({{.*}} @f2.x 416143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar} 426143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 4357e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: define void @f3() 446143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbarvoid f3() { 456143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar static char x[8] = "hello"; 466143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar bar(x); 4757e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: call void @bar({{.*}} @f3.x 486143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar} 496143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 5057e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenkovoid gaz(void *); 5157e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko 5257e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko// CHECK: define void @f4() 536143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbarvoid f4() { 546143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar static struct s { 556143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar char *name; 566143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar } x = { "hello" }; 576143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar gaz(&x); 5857e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko // CHECK: call void @gaz({{.*}} @f4.x 596143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar} 606143293fa4366ee95d7e47e61bd030a34bf68b55Daniel Dunbar 613998d3fb8e34d3122cb815f1c18a4a246695215fNuno Lopeschar x[3] = "ola"; 6257e2a1662e6e5faff01beba4b29ee35b635e0aa9Dmitri Gribenko 63