[clang] [WebAssembly] Add tests for generic CPU config (PR #80775)

[Heejin Ahn via cfe-commits]

https://github.com/aheejin created https://github.com/llvm/llvm-project/pull/80775

This adds tests for `generic` cpu configuration. We had tests for `mvp` and `bleeding-edge` configs but not `generic`.

>From dbb74ca85ef047260a2820f6d470448279ea44f4 Mon Sep 17 00:00:00 2001
From: Heejin Ahn <aheejin at gmail.com>
Date: Tue, 6 Feb 2024 00:51:40 +0000
Subject: [PATCH] [WebAssembly] Add tests for generic CPU config

This adds tests for `generic` cpu configuration. We had tests for `mvp`
and `bleeding-edge` configs but not `generic`.
---
 clang/test/Driver/wasm-features.c             |  6 ++++++
 .../test/Preprocessor/wasm-target-features.c  | 21 +++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/clang/test/Driver/wasm-features.c b/clang/test/Driver/wasm-features.c
index 1a43361a4a108..33058051f67eb 100644
--- a/clang/test/Driver/wasm-features.c
+++ b/clang/test/Driver/wasm-features.c
@@ -4,6 +4,7 @@
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s 2>&1 | FileCheck %s -check-prefix=DEFAULT
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mcpu=mvp 2>&1 | FileCheck %s -check-prefix=MVP
+// RUN: %clang --target=wasm32-unknown-unknown -### %s -mcpu=generic 2>&1 | FileCheck %s -check-prefix=GENERIC
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mcpu=bleeding-edge 2>&1 | FileCheck %s -check-prefix=BLEEDING-EDGE
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mbulk-memory 2>&1 | FileCheck %s -check-prefix=BULK-MEMORY
@@ -13,6 +14,7 @@
 // NO-BULK-MEMORY: "-target-feature" "-bulk-memory"
 // DEFAULT-NOT: "-target-feature" "-bulk-memory"
 // MVP-NOT: "-target-feature" "+bulk-memory"
+// GENERIC-NOT: "-target-feature" "+bulk-memory"
 // BLEEDING-EDGE-NOT: "-target-feature" "-bulk-memory"
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mmutable-globals 2>&1 | FileCheck %s -check-prefix=MUTABLE-GLOBALS
@@ -22,6 +24,7 @@
 // NO-MUTABLE-GLOBALS: "-target-feature" "-mutable-globals"
 // DEFAULT-NOT: "-target-feature" "-mutable-globals"
 // MVP-NOT: "-target-feature" "+mutable-globals"
+// GENERIC-NOT: "-target-feature" "-mutable-globals"
 // BLEEDING-EDGE-NOT: "-target-feature" "-mutable-globals"
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -msign-ext 2>&1 | FileCheck %s -check-prefix=SIGN-EXT
@@ -31,6 +34,7 @@
 // NO-SIGN-EXT: "-target-feature" "-sign-ext"
 // DEFAULT-NOT: "-target-feature" "-sign-ext"
 // MVP-NOT: "-target-feature" "+sign-ext"
+// GENERIC-NOT: "-target-feature" "-sign-ext"
 // BLEEDING-EDGE-NOT: "-target-feature" "-sign-ext"
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mnontrapping-fptoint 2>&1 | FileCheck %s -check-prefix=NONTRAPPING-FPTOINT
@@ -40,6 +44,7 @@
 // NO-NONTRAPPING-FPTOINT: "-target-feature" "-nontrapping-fptoint"
 // DEFAULT-NOT: "-target-feature" "-nontrapping-fptoint"
 // MVP-NOT: "-target-feature" "+nontrapping-fptoint"
+// GENERIC-NOT: "-target-feature" "+nontrapping-fptoint"
 // BLEEDING-EDGE-NOT: "-target-feature" "-nontrapping-fptoint"
 
 // RUN: %clang --target=wasm32-unknown-unknown -### %s -mmultimemory 2>&1 | FileCheck %s -check-prefix=MULTIMEMORY
@@ -49,4 +54,5 @@
 // NO-MULTIMEMORY: "-target-feature" "-multimemory"
 // DEFAULT-NOT: "-target-feature" "-multimemory"
 // MVP-NOT: "-target-feature" "+multimemory"
+// GENERIC-NOT: "-target-feature" "+multimemory"
 // BLEEDING-EDGE-NOT: "-target-feature" "-multimemory"
diff --git a/clang/test/Preprocessor/wasm-target-features.c b/clang/test/Preprocessor/wasm-target-features.c
index c225e226b69ba..17f75c83ef734 100644
--- a/clang/test/Preprocessor/wasm-target-features.c
+++ b/clang/test/Preprocessor/wasm-target-features.c
@@ -145,6 +145,27 @@
 // MVP-NOT:#define __wasm_extended_const__
 // MVP-NOT:#define __wasm_multimemory__
 
+// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN:     -target wasm32-unknown-unknown -mcpu=generic \
+// RUN:   | FileCheck %s -check-prefix=GENERIC
+// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN:     -target wasm64-unknown-unknown -mcpu=generic \
+// RUN:   | FileCheck %s -check-prefix=GENERIC
+//
+// GENERIC-DAG:#define __wasm_sign_ext__ 1{{$}}
+// GENERIC-DAG:#define __wasm_mutable_globals__ 1{{$}}
+// GENERIC-NOT:#define __wasm_nontrapping_fptoint__ 1{{$}}
+// GENERIC-NOT:#define __wasm_bulk_memory__ 1{{$}}
+// GENERIC-NOT:#define __wasm_simd128__ 1{{$}}
+// GENERIC-NOT:#define __wasm_atomics__ 1{{$}}
+// GENERIC-NOT:#define __wasm_tail_call__ 1{{$}}
+// GENERIC-NOT:#define __wasm_multimemory__ 1{{$}}
+// GENERIC-NOT:#define __wasm_unimplemented_simd128__ 1{{$}}
+// GENERIC-NOT:#define __wasm_exception_handling__ 1{{$}}
+// GENERIC-NOT:#define __wasm_multivalue__ 1{{$}}
+// GENERIC-NOT:#define __wasm_reference_types__ 1{{$}}
+// GENERIC-NOT:#define __wasm_extended_const__ 1{{$}}
+
 // RUN: %clang -E -dM %s -o - 2>&1 \
 // RUN:     -target wasm32-unknown-unknown -mcpu=bleeding-edge \
 // RUN:   | FileCheck %s -check-prefix=BLEEDING-EDGE