1 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECKBASIC %s 2 // RUN: %clang_cc1 -triple armv7a-eabi -mfloat-abi hard -emit-llvm -o - %s | FileCheck -check-prefix=CHECKCC %s 3 4 int g0; 5 // CHECKBASIC: @g0 = common global i32 0 6 static int bar1 = 42; 7 // CHECKBASIC: @bar1 = internal global i32 42 8 9 extern int g1; 10 extern int g1 __attribute((alias("g0"))); 11 // CHECKBASIC-DAG: @g1 = alias i32* @g0 12 13 void f0(void) { } 14 extern void f1(void); 15 extern void f1(void) __attribute((alias("f0"))); 16 // CHECKBASIC-DAG: @f1 = alias void ()* @f0 17 // CHECKBASIC-DAG: @test8_foo = alias weak bitcast (void ()* @test8_bar to void (...)*) 18 // CHECKBASIC-DAG: @test8_zed = alias bitcast (void ()* @test8_bar to void (...)*) 19 // CHECKBASIC-DAG: @test9_zed = alias void ()* @test9_bar 20 // CHECKBASIC: define void @f0() [[NUW:#[0-9]+]] { 21 22 // Make sure that aliases cause referenced values to be emitted. 23 // PR3200 24 static inline int foo1() { return 0; } 25 // CHECKBASIC-LABEL: define internal i32 @foo1() 26 int foo() __attribute__((alias("foo1"))); 27 int bar() __attribute__((alias("bar1"))); 28 29 extern int test6(); 30 void test7() { test6(); } // test6 is emitted as extern. 31 32 // test6 changes to alias. 33 int test6() __attribute__((alias("test7"))); 34 35 static int inner(int a) { return 0; } 36 static int inner_weak(int a) { return 0; } 37 extern __typeof(inner) inner_a __attribute__((alias("inner"))); 38 static __typeof(inner_weak) inner_weak_a __attribute__((weakref, alias("inner_weak"))); 39 // CHECKCC: @inner_a = alias i32 (i32)* @inner 40 // CHECKCC: define internal arm_aapcs_vfpcc i32 @inner(i32 %a) [[NUW:#[0-9]+]] { 41 42 int outer(int a) { return inner(a); } 43 // CHECKCC: define arm_aapcs_vfpcc i32 @outer(i32 %a) [[NUW]] { 44 // CHECKCC: call arm_aapcs_vfpcc i32 @inner(i32 %{{.*}}) 45 46 int outer_weak(int a) { return inner_weak_a(a); } 47 // CHECKCC: define arm_aapcs_vfpcc i32 @outer_weak(i32 %a) [[NUW]] { 48 // CHECKCC: call arm_aapcs_vfpcc i32 @inner_weak(i32 %{{.*}}) 49 // CHECKCC: define internal arm_aapcs_vfpcc i32 @inner_weak(i32 %a) [[NUW]] { 50 51 // CHECKBASIC: attributes [[NUW]] = { nounwind{{.*}} } 52 53 // CHECKCC: attributes [[NUW]] = { nounwind{{.*}} } 54 55 void test8_bar() {} 56 void test8_foo() __attribute__((weak, alias("test8_bar"))); 57 void test8_zed() __attribute__((alias("test8_foo"))); 58 59 void test9_bar(void) { } 60 void test9_zed(void) __attribute__((section("test"))); 61 void test9_zed(void) __attribute__((alias("test9_bar"))); 62
