| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -std=c23 -emit-llvm -o - %s | FileCheck %s |
| |
| // Ensure that thread_local and _Thread_local emit the same codegen. See |
| // https://github.com/llvm/llvm-project/issues/70068 for details. |
| |
| void func(void) { |
| static thread_local int i = 12; |
| static _Thread_local int j = 13; |
| |
| extern thread_local int k; |
| extern thread_local int l; |
| |
| (void)k; |
| (void)l; |
| } |
| |
| // CHECK: @func.i = internal thread_local global i32 12, align 4 |
| // CHECK-NEXT: @func.j = internal thread_local global i32 13, align 4 |
| // CHECK-NEXT: @k = external thread_local global i32, align 4 |
| // CHECK-NEXT: @l = external thread_local global i32, align 4 |
| |
| // CHECK: define dso_local void @func() |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %[[K:.+]] = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @k) |
| // CHECK-NEXT: load i32, ptr %[[K]], align 4 |
| // CHECK-NEXT: %[[L:.+]] = call align 4 ptr @llvm.threadlocal.address.p0(ptr align 4 @l) |
| // CHECK-NEXT: load i32, ptr %[[L]], align 4 |
