1 // This test is added to provide test coverage for the uwtable attribute. It
2 // aims to make sure that for an X86_64 output compiled with -fexceptions or
3 // -fno-exceptions, a uwtable attribute is emitted. However, for an AArch64
4 // output with -fexceptions a uwtable attribute is emitted, but with
5 // -fno-exceptions a uwtable attribute is not emitted.
6
7 // RUN: %clang -g -fexceptions --target=x86_64-apple-darwin %s -S -emit-llvm -o - | FileCheck %s --check-prefix=X86_64_UWTABLE_EXCEPTIONS
8 // X86_64_UWTABLE_EXCEPTIONS: attributes #0 = { {{.*}} uwtable
9 // X86_64_UWTABLE_EXCEPTIONS: !{{[0-9]+}} = !{i32 7, !"uwtable", i32 2}
10
11 // RUN: %clang -g -fno-exceptions --target=x86_64-apple-darwin %s -S -emit-llvm -o - | FileCheck %s --check-prefix=X86_64_UWTABLE
12 // X86_64_UWTABLE: attributes #0 = { {{.*}} uwtable
13 // X86_64_UWTABLE: !{{[0-9]+}} = !{i32 7, !"uwtable", i32 2}
14
15 // RUN: %clang -g -fexceptions --target=arm64-apple-darwin %s -S -emit-llvm -o - | FileCheck %s --check-prefix=ARM64_UWTABLE_EXCEPTIONS
16 // ARM64_UWTABLE_EXCEPTIONS: attributes #0 = { {{.*}} uwtable
17 // ARM64_UWTABLE_EXCEPTIONS: !{{[0-9]+}} = !{i32 7, !"uwtable", i32 1}
18
19 // RUN: %clang -g -fno-exceptions --target=arm64-apple-darwin %s -S -emit-llvm -o - | FileCheck %s --check-prefix=ARM64_UWTABLE
20 // ARM64_UWTABLE-NOT: attributes #0 = { {{.*}} uwtable
21 // ARM64_UWTABLE-NOT: !{{[0-9]+}} = !{i32 7, !"uwtable", i32 2}
22 // ARM64_UWTABLE: attributes #0 =
23
main()24 int main() {
25 return 1;
26 }
27