clang/test/CodeGenCXX/attr-annotate2.cpp

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
   2 // RUN: %clang_cc1 %s -S -emit-llvm -triple x86_64-unknown-linux-gnu -o - | FileCheck %s
   3
   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
   8 // CHECK-LABEL: @_Z1fv(
   9 // CHECK-NEXT:  entry:
  10 // CHECK-NEXT:    [[N:%.*]] = alloca i32, align 4
  11 // CHECK-NEXT:    [[J:%.*]] = alloca i32, align 4
  12 // CHECK-NEXT:    store i32 10, i32* [[N]], align 4
  13 // CHECK-NEXT:    [[J1:%.*]] = bitcast i32* [[J]] to i8*
  14 // CHECK-NEXT:    call void @llvm.var.annotation(i8* [[J1]], i8* getelementptr inbounds ([45 x i8], [45 x i8]* @[[STR]], i32 0, i32 0), i8* getelementptr inbounds ([{{[0-9]+}} x i8], [{{[0-9]+}} x i8]* @[[FILENAME]], i32 0, i32 0), i32 {{.*}}, i8* bitcast ({ i32 }* @[[ARGS]] to i8*))
  15 // CHECK-NEXT:    store i32 0, i32* [[J]], align 4
  16 // CHECK-NEXT:    ret void
  17 //
  18 void f() {
  19   int n = 10;
  20   [[clang::annotate("_Generic selection expression should be fine", _Generic(n, int : 0, default : 1))]]
  21   int j = 0; // second arg should resolve to 0 fine
  22 }