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TheRock/compiler/amd-llvm/clang/test/C/C2y/n3605.c
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

58 lines
1.5 KiB
C

// RUN: %clang_cc1 -verify -std=c2y -Wall -pedantic %s
// RUN: %clang_cc1 -verify -std=c23 -Wall -pedantic %s
// RUN: %clang_cc1 -verify -std=c17 -Wall -pedantic %s
// RUN: %clang_cc1 -verify -std=c11 -Wall -pedantic %s
// expected-no-diagnostics
// RUN: %clang_cc1 -std=c2y %s -triple x86_64 --embed-dir=%S/Inputs -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -std=c23 %s -triple x86_64 --embed-dir=%S/Inputs -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -std=c17 %s -triple x86_64 --embed-dir=%S/Inputs -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -std=c11 %s -triple x86_64 --embed-dir=%S/Inputs -emit-llvm -o - | FileCheck %s
enum A{ a=(int)(_Generic(0, int: (2.5))) };
enum B{ b=(int)(_Generic(0, int: (2 + 1))) };
int c = _Generic((float*)0, default: 0);
int d = _Generic((float*)0, default: (sizeof(c)));
char s[] = _Generic(0, default: ("word"));
int value_of_a(void) {
// CHECK: ret i32 2
return a;
}
int value_of_b(void) {
// CHECK: ret i32 3
return b;
}
int value_of_c(void) {
// CHECK: %0 = load i32, ptr @c, align 4
// CHECK: ret i32 %0
return c;
}
int value_of_d(void) {
// CHECK: %0 = load i32, ptr @d, align 4
// CHECK: ret i32 %0
return d;
}
char *value_of_s(void) {
// CHECK: ret ptr @s
return s;
}
float value_of_float(void) {
// CHECK: %f = alloca ptr, align 8
// CHECK: store ptr null, ptr %f, align 8
// CHECK: %0 = load ptr, ptr %f, align 8
// CHECK: %call = call float %0()
// CHECK: ret float %call
float (*f)(void) = _Generic(1, default: (void*)0);
return f();
}