[WebAssembly] Add unimplemented-simd128 feature, gate builtins
Summary: Depends on D56501. Also adds a macro define
`__wasm_unimplemented_simd128__` for feature detection of
unimplemented SIMD builtins.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, sunfish, kristina, cfe-commits, rrwinterton
llvm-svn: 350909
diff --git a/clang/test/CodeGen/builtins-wasm.c b/clang/test/CodeGen/builtins-wasm.c
index dce721e..3c2288b 100644
--- a/clang/test/CodeGen/builtins-wasm.c
+++ b/clang/test/CodeGen/builtins-wasm.c
@@ -1,9 +1,6 @@
-// RUN: %clang_cc1 -triple wasm32-unknown-unknown -fno-lax-vector-conversions \
-// RUN: -O3 -emit-llvm -o - %s \
-// RUN: | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY32
-// RUN: %clang_cc1 -triple wasm64-unknown-unknown -fno-lax-vector-conversions \
-// RUN: -O3 -emit-llvm -o - %s \
-// RUN: | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY64
+// RUN: %clang_cc1 -triple wasm32-unknown-unknown -target-feature +unimplemented-simd128 -target-feature +nontrapping-fptoint -target-feature +exception-handling -fno-lax-vector-conversions -O3 -emit-llvm -o - %s | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY32
+// RUN: %clang_cc1 -triple wasm64-unknown-unknown -target-feature +unimplemented-simd128 -target-feature +nontrapping-fptoint -target-feature +exception-handling -fno-lax-vector-conversions -O3 -emit-llvm -o - %s | FileCheck %s -check-prefixes WEBASSEMBLY,WEBASSEMBLY64
+// RUN: not %clang_cc1 -triple wasm64-unknown-unknown -target-feature +nontrapping-fptoint -target-feature +exception-handling -fno-lax-vector-conversions -O3 -emit-llvm -o - %s 2>&1 | FileCheck %s -check-prefixes MISSING-SIMD
// SIMD convenience types
typedef char i8x16 __attribute((vector_size(16)));
@@ -158,6 +155,7 @@
int extract_lane_s_i8x16(i8x16 v) {
return __builtin_wasm_extract_lane_s_i8x16(v, 13);
+ // MISSING-SIMD: error: '__builtin_wasm_extract_lane_s_i8x16' needs target feature simd128
// WEBASSEMBLY: extractelement <16 x i8> %v, i32 13
// WEBASSEMBLY-NEXT: sext
// WEBASSEMBLY-NEXT: ret
diff --git a/clang/test/Preprocessor/wasm-target-features.c b/clang/test/Preprocessor/wasm-target-features.c
index f4d40b1..92aaefd 100644
--- a/clang/test/Preprocessor/wasm-target-features.c
+++ b/clang/test/Preprocessor/wasm-target-features.c
@@ -8,6 +8,15 @@
// SIMD128:#define __wasm_simd128__ 1{{$}}
//
// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN: -target wasm32-unknown-unknown -munimplemented-simd128 \
+// RUN: | FileCheck %s -check-prefix=SIMD128-UNIMPLEMENTED
+// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN: -target wasm64-unknown-unknown -munimplemented-simd128 \
+// RUN: | FileCheck %s -check-prefix=SIMD128-UNIMPLEMENTED
+//
+// SIMD128-UNIMPLEMENTED:#define __wasm_unimplemented_simd128__ 1{{$}}
+//
+// RUN: %clang -E -dM %s -o - 2>&1 \
// RUN: -target wasm32-unknown-unknown -mcpu=mvp \
// RUN: | FileCheck %s -check-prefix=MVP
// RUN: %clang -E -dM %s -o - 2>&1 \