llvm-project/clang/test/ClangScanDeps/modules-inferred.m
Ben Langmuir 83902c4036 Reapply "[clang][deps] Split translation units into individual -cc1 or other commands"
Attempt to fix the test failures observed in CI:
* Add Option dependency, which caused BUILD_SHARED_LIBS builds to fail
* Adapt tests that accidentally depended on the host platform: platforms
  that don't use an integrated assembler (e.g. AIX) get a different set
  of commands from the driver. Most dependency scanner tests can use
  -fsyntax-only or -E instead of -c to avoid this, and in the rare case
  we want to check -c specifically, set an explicit target so the
  behaviour is independent of the host.

Original commit message follows.

---

Instead of trying to "fix" the original driver invocation by appending
arguments to it, split it into multiple commands, and for each -cc1
command use a CompilerInvocation to give precise control over the
invocation.

This change should make it easier to (in the future) canonicalize the
command-line (e.g. to improve hits in something like ccache), apply
optimizations, or start supporting multi-arch builds, which would
require different modules for each arch.

In the long run it may make sense to treat the TU commands as a
dependency graph, each with their own dependencies on modules or earlier
TU commands, but for now they are simply a list that is executed in
order, and the dependencies are simply duplicated. Since we currently
only support single-arch builds, there is no parallelism available in
the execution.

Differential Revision: https://reviews.llvm.org/D132405
2022-08-31 09:45:11 -07:00

48 lines
1.9 KiB
Objective-C

// RUN: rm -rf %t.dir
// RUN: rm -rf %t.cdb
// RUN: mkdir -p %t.dir
// RUN: cp %s %t.dir/modules_cdb_input.cpp
// RUN: sed -e "s|DIR|%/t.dir|g" -e "s|FRAMEWORKS|%/S/Inputs/frameworks|g" \
// RUN: %/S/Inputs/modules_inferred_cdb.json > %t.cdb
//
// RUN: clang-scan-deps -compilation-database %t.cdb -j 1 -format experimental-full \
// RUN: -mode preprocess-dependency-directives > %t.result
// RUN: cat %t.result | sed 's:\\\\\?:/:g' | FileCheck %s -DPREFIX=%/t.dir -DSOURCEDIR=%/S --check-prefixes=CHECK
#include <Inferred/Inferred.h>
inferred a = 0;
// CHECK: {
// CHECK-NEXT: "modules": [
// CHECK-NEXT: {
// CHECK-NEXT: "clang-module-deps": [],
// CHECK-NEXT: "clang-modulemap-file": "[[SOURCEDIR]]/Inputs/frameworks/module.modulemap",
// CHECK-NEXT: "command-line": [
// CHECK: ],
// CHECK-NEXT: "context-hash": "[[HASH_INFERRED:[A-Z0-9]+]]",
// CHECK-NEXT: "file-deps": [
// CHECK-NEXT: "[[SOURCEDIR]]/Inputs/frameworks/Inferred.framework/Frameworks/Sub.framework/Headers/Sub.h",
// CHECK-NEXT: "[[SOURCEDIR]]/Inputs/frameworks/Inferred.framework/Headers/Inferred.h",
// CHECK-NEXT: "[[SOURCEDIR]]/Inputs/frameworks/module.modulemap"
// CHECK-NEXT: ],
// CHECK-NEXT: "name": "Inferred"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "translation-units": [
// CHECK-NEXT: {
// CHECK: "clang-context-hash": "[[HASH_TU:[A-Z0-9]+]]",
// CHECK-NEXT: "clang-module-deps": [
// CHECK-NEXT: {
// CHECK-NEXT: "context-hash": "[[HASH_INFERRED]]",
// CHECK-NEXT: "module-name": "Inferred"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "command-line": [
// CHECK: ],
// CHECK: "file-deps": [
// CHECK-NEXT: "[[PREFIX]]/modules_cdb_input.cpp"
// CHECK-NEXT: ],
// CHECK-NEXT: "input-file": "[[PREFIX]]/modules_cdb_input.cpp"
// CHECK-NEXT: }