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//// Explicitly enabled:
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm -fexperimental-assignment-tracking=enabled %s -o - -O1 \
// RUN: | FileCheck %s --check-prefixes=ENABLE
//// Explicitly disabled:
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=disabled -O1\
// RUN: | FileCheck %s --check-prefixes=DISABLE
//// Enabled by default:
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -O1 \
// RUN: | FileCheck %s --check-prefixes=ENABLE
//// Disabled at O0 unless forced.
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=enabled \
// RUN: -O0 -disable-O0-optnone \
// RUN: | FileCheck %s --check-prefixes=DISABLE
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=forced \
// RUN: -O0 -disable-O0-optnone \
// RUN: | FileCheck %s --check-prefixes=ENABLE
//// Disabled for LTO and thinLTO unless forced.
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=enabled \
// RUN: -O1 -flto=full \
// RUN: | FileCheck %s --check-prefixes=DISABLE
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=enabled \
// RUN: -O1 -flto=thin \
// RUN: | FileCheck %s --check-prefixes=DISABLE
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=forced \
// RUN: -O1 -flto=full \
// RUN: | FileCheck %s --check-prefixes=ENABLE
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=forced \
// RUN: -O1 -flto=thin \
// RUN: | FileCheck %s --check-prefixes=ENABLE
//// Disabled for LLDB debugger tuning unless forced.
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=enabled \
// RUN: -O1 -debugger-tuning=lldb \
// RUN: | FileCheck %s --check-prefixes=DISABLE
// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -debug-info-kind=standalone \
// RUN: -emit-llvm %s -o - -fexperimental-assignment-tracking=forced \
// RUN: -O1 -debugger-tuning=lldb \
// RUN: | FileCheck %s --check-prefixes=ENABLE
// Check the assignment-tracking module flag appears in the output when the
// flag -fexperimental-assignment-tracking is set to 'enabled' (in some cases)
// or 'forced' (always), and is does not appear when the flag is set to
// 'disabled' (default).
// ENABLE: "debug-info-assignment-tracking"
// DISABLE-NOT: "debug-info-assignment-tracking"
//// Check there's actually any output at all.
// DISABLE: llvm.module.flags
void fun(int a) {}
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