1 // RUN: %clang_cc1 -triple armv7-apple-darwin -emit-llvm %s -o - | FileCheck %s 2 3 // CHECK: call i32 asm "foo0", {{.*}} [[READNONE:#[0-9]+]] 4 // CHECK: call i32 asm "foo1", {{.*}} [[READNONE]] 5 // CHECK: call i32 asm "foo2", {{.*}} [[NOATTRS:#[0-9]+]] 6 // CHECK: call i32 asm sideeffect "foo3", {{.*}} [[NOATTRS]] 7 // CHECK: call i32 asm "foo4", {{.*}} [[READONLY:#[0-9]+]] 8 // CHECK: call i32 asm "foo5", {{.*}} [[READONLY]] 9 // CHECK: call i32 asm "foo6", {{.*}} [[NOATTRS]] 10 // CHECK: call void asm sideeffect "foo7", {{.*}} [[NOATTRS]] 11 // CHECK: call void asm "foo8", {{.*}} [[NOATTRS]] 12 13 // CHECK: attributes [[READNONE]] = { nounwind readnone } 14 // CHECK: attributes [[NOATTRS]] = { nounwind } 15 // CHECK: attributes [[READONLY]] = { nounwind readonly } 16 17 int g0, g1; 18 19 struct S { 20 int i; 21 } g2; 22 23 void test_attrs(int a) { 24 __asm__ ("foo0" : "=r"(g1) : "r"(a)); 25 __asm__ ("foo1" : "=r"(g1) : "r"(a) : "cc"); 26 __asm__ ("foo2" : "=r"(g1) : "r"(a) : "memory"); 27 __asm__ volatile("foo3" : "=r"(g1) : "r"(a)); 28 __asm__ ("foo4" : "=r"(g1) : "r"(a), "m"(g0)); 29 __asm__ ("foo5" : "=r"(g1) : "r"(a), "Q"(g0)); 30 __asm__ ("foo6" : "=r"(g1), "=m"(g0) : "r"(a)); 31 __asm__ ("foo7" : : "r"(a)); 32 __asm__ ("foo8" : "=r"(g2) : "r"(a)); 33 } 34
