32 lines · cpp
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py2// RUN: %clang_cc1 %s -emit-llvm -triple x86_64-unknown-linux-gnu -o - | FileCheck %s3 4// CHECK: @[[STR:.*]] = private unnamed_addr constant [45 x i8] c"_Generic selection expression should be fine\00", section "llvm.metadata"5// CHECK-NEXT: @[[FILENAME:.*]] = private unnamed_addr constant {{.*}}, section "llvm.metadata"6// CHECK-NEXT: @[[ARGS:.*]] = private unnamed_addr constant { i32 } zeroinitializer, section "llvm.metadata"7// CHECK-NEXT: @[[STR2:.*]] = private unnamed_addr constant [14 x i8] c"void is undef\00", section "llvm.metadata"8// CHECK-NEXT: @[[ARGS3:.*]] = private unnamed_addr constant { i8, i8, i32 } { i8 undef, i8 undef, i32 7 }, section "llvm.metadata"9 10 11 12// CHECK-LABEL: @_Z1fv(13// CHECK-NEXT: entry:14// CHECK-NEXT: [[N:%.*]] = alloca i32, align 415// CHECK-NEXT: [[J:%.*]] = alloca i32, align 416// CHECK-NEXT: [[K:%.*]] = alloca i32, align 417// CHECK-NEXT: store i32 10, ptr [[N]], align 418// CHECK-NEXT: call void @llvm.var.annotation.p0.p0(ptr [[J]], ptr @[[STR]], ptr @[[FILENAME]], i32 {{.*}}, ptr @[[ARGS]])19// CHECK-NEXT: store i32 0, ptr [[J]], align 420// CHECK-NEXT: call void @llvm.var.annotation.p0.p0(ptr [[K]], ptr @[[STR2]], ptr @[[FILENAME]], i32 {{.*}}, ptr @[[ARGS3]])21// CHECK-NEXT: store i32 0, ptr [[K]], align 422// CHECK-NEXT: ret void23//24void f() {25 int n = 10;26 [[clang::annotate("_Generic selection expression should be fine", _Generic(n, int : 0, default : 1))]]27 int j = 0; // second arg should resolve to 0 fine28 29 [[clang::annotate("void is undef", (void)2, (void)4, 7)]]30 int k = 0;31}32