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// This test verifies that command lines with equivalent -D and -U arguments
// are canonicalized to the same module variant.
// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: sed -e "s|DIR|%/t|g" %t/build/compile-commands.json.in > %t/build/compile-commands.json
// RUN: clang-scan-deps -compilation-database %t/build/compile-commands.json \
// RUN: -j 1 -format experimental-full -optimize-args=canonicalize-macros > %t/deps.db
// RUN: cat %t/deps.db | FileCheck %s -DPREFIX=%/t
// Verify that there are only two variants and that the expected merges have
// happened.
// CHECK: {
// CHECK-NEXT: "modules": [
// CHECK-NEXT: {
// CHECK-NEXT: "clang-module-deps": [],
// CHECK-NEXT: "clang-modulemap-file":
// CHECK-NEXT: "command-line": [
// CHECK-NOT: "J=1"
// CHECK-NOT: "J"
// CHECK-NOT: "K"
// CHECK: ],
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "file-deps": [
// CHECK: ],
// CHECK-NEXT: "link-libraries": [],
// CHECK-NEXT: "name": "A"
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "clang-module-deps": [],
// CHECK-NEXT: "clang-modulemap-file":
// CHECK-NEXT: "command-line": [
// CHECK: "Fඞ"
// CHECK: 0D9E
// CHECK: "K"
// CHECK: "K"
// CHECK: ],
// CHECK-NEXT: "context-hash": "{{.*}}",
// CHECK-NEXT: "file-deps": [
// CHECK: ],
// CHECK-NEXT: "link-libraries": [],
// CHECK-NEXT: "name": "A"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "translation-units": [
// CHECK: ]
// CHECK: }
//--- build/compile-commands.json.in
[
{
"directory": "DIR",
"command": "clang -c DIR/tu0.m -DJ=1 -UJ -DJ=2 -DI -DK(x)=x -I modules/A -fmodules -fmodules-cache-path=DIR/module-cache -fimplicit-module-maps",
"file": "DIR/tu0.m"
},
{
"directory": "DIR",
"command": "clang -c DIR/tu1.m -DK -DK(x)=x -DI -D \"J=2\" -I modules/A -fmodules -fmodules-cache-path=DIR/module-cache -fimplicit-module-maps",
"file": "DIR/tu1.m"
},
{
"directory": "DIR",
"command": "clang -c DIR/tu2.m -I modules/A -DFඞ \"-DF\\\\u{0D9E}\" -DK -DK -fmodules -fmodules-cache-path=DIR/module-cache -fimplicit-module-maps",
"file": "DIR/tu2.m"
}
]
//--- modules/A/module.modulemap
module A {
umbrella header "A.h"
}
//--- modules/A/A.h
//--- tu0.m
#include <A.h>
//--- tu1.m
#include <A.h>
//--- tu2.m
#include <A.h>
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