swiftlang · MaxDesiatov · Jul 24, 2025 · Jul 17, 2025 · Jul 17, 2025 · Jul 17, 2025
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -404,6 +404,14 @@ foreach(SDK ${SWIFT_SDKS})
       set(VARIANT_EXTERNAL_EMBEDDED_PLATFORM FALSE)
       set(VARIANT_EXTERNAL_EMBEDDED_DEVICE)
 
+      # Reset these values for WASI, as Embedded Swift for WASI requires separate lit configs.
+      set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_old ${SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB})
+      set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING_old ${SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING})
+      if(${SDK} STREQUAL "WASI")
+        set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB OFF)
+        set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING OFF)
+      endif()
+
       swift_configure_lit_site_cfg(
           "${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in"
           "${test_bin_dir}/lit.site.cfg"
@@ -426,6 +434,10 @@ foreach(SDK ${SWIFT_SDKS})
           "${test_bin_dir}/lit.swift-features.cfg"
           "${validation_test_bin_dir}/lit.swift-features.cfg")
 
+      # Restore old values in case they were reset for WASI tests lit configs.
+      set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB ${SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_old})
+      set(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING ${SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING_old})
+
       set(test_dependencies)
       get_test_dependencies("${SDK}" test_dependencies)
 
@@ -587,6 +599,43 @@ foreach(SDK ${SWIFT_SDKS})
               PROPERTY FOLDER "Tests/check-swift")
         endforeach()
       endforeach()
+
+      if(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING AND (${ARCH} STREQUAL "wasm32"))
+        set(test_mode "optimize_none")
+        set(test_subset "primary")
+        set(VARIANT_SUFFIX "-embedded-wasi")
+        set(VARIANT_TRIPLE "wasm32-unknown-wasip1")
+        set(test_bin_dir "${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/embedded")
+        set(VARIANT_EXTERNAL_EMBEDDED_PLATFORM FALSE)
+        set(VARIANT_EXTERNAL_EMBEDDED_DEVICE)
+        set(SWIFT_TEST_RESULTS_DIR "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/swift-test-results/${VARIANT_TRIPLE}")
+        swift_configure_lit_site_cfg(
+            "${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in"
+            "${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.site.cfg"
+            "test${VARIANT_SUFFIX}.lit.site.cfg")
+        swift_generate_lit_swift_features_cfg("${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.swift-features.cfg")
+
+        set(test_target_name "check-swift${VARIANT_SUFFIX}")
+        set(directories "${test_bin_dir}")
+
+        set(embedded_wasm_lit_args)
+        setup_lit_args(embedded_wasm_lit_args "${SDK}" "${SWIFT_TEST_RESULTS_DIR}" "${SWIFTLIB_DIR}")
+
+        add_custom_target("${test_target_name}"
+            ${maybe_command_upload_stdlib}
+            ${command_upload_swift_reflection_test}
+            ${command_clean_test_results_dir}
+            COMMAND
+              ${CMAKE_COMMAND} -E env ${SWIFT_LIT_ENVIRONMENT}
+              $<TARGET_FILE:Python3::Interpreter> "${LIT}"
+              ${embedded_wasm_lit_args}
+              "--param" "swift_test_subset=${test_subset}"
+              "--param" "swift_test_mode=${test_mode}"
+              ${directories}
+            DEPENDS ${dependencies}
+            COMMENT "Running ${test_subset} Swift tests for ${VARIANT_TRIPLE}"
+            USES_TERMINAL)
+        endif()
     endforeach()
   endforeach()
 endforeach()
@@ -624,17 +673,6 @@ if(SWIFT_SHOULD_BUILD_EMBEDDED_STDLIB_CROSS_COMPILING)
       "${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.site.cfg"
       "test${VARIANT_SUFFIX}.lit.site.cfg")
   swift_generate_lit_swift_features_cfg("${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.swift-features.cfg")
-
-  set(VARIANT_SUFFIX "-embedded-wasi")
-  set(VARIANT_TRIPLE "wasm32-unknown-wasip1")
-  set(VARIANT_EXTERNAL_EMBEDDED_PLATFORM FALSE)
-  set(VARIANT_EXTERNAL_EMBEDDED_DEVICE)
-  set(SWIFT_TEST_RESULTS_DIR "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/swift-test-results/${VARIANT_TRIPLE}")
-  swift_configure_lit_site_cfg(
-      "${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in"
-      "${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.site.cfg"
-      "test${VARIANT_SUFFIX}.lit.site.cfg")
-  swift_generate_lit_swift_features_cfg("${CMAKE_CURRENT_BINARY_DIR}${VARIANT_SUFFIX}/lit.swift-features.cfg")
 endif()
 
 # Add shortcuts for the default variant.

diff --git a/test/ClangImporter/availability_returns_twice.swift b/test/ClangImporter/availability_returns_twice.swift
@@ -3,7 +3,7 @@
 // UNSUPPORTED: OS=windows-msvc
 
 // `setjmp` is not available on WebAssembly/WASI
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: OS=wasip1
 
 // https://github.com/apple/swift/issues/51632
 // In Android jmp_buf is int[16], which doesn't convert to &Int

@@ -12,7 +12,7 @@
 // UNSUPPORTED: back_deploy_concurrency
 // UNSUPPORTED: use_os_stdlib
 // UNSUPPORTED: freestanding
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: OS=wasip1
 
 import StdlibUnittest
 

@@ -6,7 +6,7 @@
 
 // REQUIRES: concurrency_runtime
 // UNSUPPORTED: back_deployment_runtime
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: OS=wasip1
 // UNSUPPORTED: back_deploy_concurrency
 
 // This test makes sure that:
@@ -365,7 +365,7 @@ struct Runner {
                 debugLog("==> Enter callee2")
                 debugLog("==> Exit callee2")
             }
-            
+
             // We add an inline never here to make sure that we do not eliminate
             // the dynamic access after inlining.
             @MainActor
@@ -374,7 +374,7 @@ struct Runner {
                 debugLog("==> Enter callee1")
                 let handle = Task { @MainActor in
                     debugLog("==> Enter callee1 Closure")
-                    
+
                     // These accesses end before we await in the task.
                     do {
                         callee2(&global1, &global2, &global3)
@@ -389,7 +389,7 @@ struct Runner {
                 await handle.value
                 debugLog("==> Exit callee1")
             }
-            
+
             debugLog("==> Enter 'testCase1'")
             await callee1()
             debugLog("==> Exit 'testCase1'")

@@ -12,7 +12,7 @@
 // UNSUPPORTED: back_deploy_concurrency
 
 // Crash expectations can't be implemented on WASI/WebAssembly.
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: OS=wasip1
 
 // This test makes sure that we properly save/restore access when we
 // synchronously launch a task from a serial executor. The access from the task

@@ -2,9 +2,9 @@
 
 // REQUIRES: concurrency
 
-// WASI does not support the mandatory tail call, and needs to take the same
+// Wasm does not support the mandatory tail call, and needs to take the same
 // path as CHECK-WIN, but will currently go down CHECK-SYSV, failing the test.
-// XFAIL: OS=wasi
+// XFAIL: CPU=wasm32
 
 sil_stage canonical
 

@@ -3,8 +3,6 @@
 // REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
 
 // wasm currently disables aggressive reg2mem
-// UNSUPPORTED: wasm
-// UNSUPPORTED: OS=wasi
 // UNSUPPORTED: CPU=wasm32
 
 public struct LargeThing {

@@ -1,8 +1,6 @@
 // RUN: %target-swift-frontend %s  -Xllvm -sil-print-types -Xllvm -sil-print-after=loadable-address -import-objc-header %S/Inputs/large_c.h -c -o %t/t.o 2>&1 | %FileCheck %s
 
 // wasm currently disables aggressive reg2mem
-// UNSUPPORTED: wasm
-// UNSUPPORTED: OS=wasi
 // UNSUPPORTED: CPU=wasm32
 // REQUIRES: PTRSIZE=64
 

@@ -5,8 +5,6 @@
 // REQUIRES: swift_feature_BuiltinModule
 
 // wasm currently disables aggressive reg2mem
-// UNSUPPORTED: wasm
-// UNSUPPORTED: OS=wasi
 // UNSUPPORTED: CPU=wasm32
 
 import Builtin

@@ -91,8 +91,6 @@
 // REQUIRES: concurrency_runtime
 
 // TODO: CoroutineAccessors: Enable on WASM.
-// UNSUPPORTED: wasm
-// UNSUPPORTED: OS=wasi
 // UNSUPPORTED: CPU=wasm32
 
 // REQUIRES: swift_feature_CoroutineAccessors
@@ -243,7 +241,7 @@ struct Boxtional<T> : ResilientWrapping {
 
 @available(SwiftStdlib 9999, *)
 class NonresilientResilientWrappingSubclass<X : ResilientWrapping> : ResilientWrappingClass<X.Wrapped> {
-  init(_ impl: X) { 
+  init(_ impl: X) {
     self.impl = impl
     super.init()
   }

diff --git a/test/embedded/builtin-float.swift b/test/embedded/builtin-float.swift
@@ -4,7 +4,7 @@
 
 // RUN: %target-swift-frontend -target armv7em-none-none-eabi -emit-ir %t/Main.swift -enable-experimental-feature Embedded -module-cache-path %t/ModuleCache -Xcc -I%t/include
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/classes-generic-no-stdlib.swift b/test/embedded/classes-generic-no-stdlib.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-emit-sil %s -parse-stdlib -enable-experimental-feature Embedded -target arm64e-apple-none -wmo | %FileCheck %s --check-prefix CHECK-SIL
 // RUN: %target-swift-emit-ir %s -parse-stdlib -enable-experimental-feature Embedded -target arm64e-apple-none -wmo | %FileCheck %s --check-prefix CHECK-IR
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: swift_feature_Embedded
 

diff --git a/test/embedded/dependencies-random.swift b/test/embedded/dependencies-random.swift
@@ -1,21 +1,21 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -parse-as-library -enable-experimental-feature Embedded -enable-experimental-feature Extern %s -c -o %t/a.o
 
-// RUN: grep DEP\: %s | sed 's#// DEP\: ##' | sort > %t/allowed-dependencies.txt
+// RUN: if [[ %target-os =~ "wasi" ]]; then pattern="DEP\:\|DEP-WASM\:"; else pattern="DEP\:"; fi; grep "$pattern" %s | sed "s#// .*\: ##" | sort > %t/allowed-dependencies.txt
 
 // Linux/ELF and Wasm don't use the "_" prefix in symbol mangling.
-// RUN: if [ %target-os == "linux-gnu" ] || [ %target-os == "wasi" ]; then sed -E -i -e 's/^_(.*)$/\1/' %t/allowed-dependencies.txt; fi
-
-// Wasm has additional dependencies
-// RUN: if [ %target-os == "wasi" ]; then ex -sc '3i|__stack_pointer' -sc '1i|__memory_base' -sc '1i|__indirect_function_table' -cx %t/allowed-dependencies.txt; fi
+// RUN: if [ %target-os == "linux-gnu" ] || [[ %target-os =~ "wasi" ]]; then sed -E -i -e 's/^_(.*)$/\1/' %t/allowed-dependencies.txt; fi
 
 // RUN: %llvm-nm --undefined-only --format=just-symbols %t/a.o | sort | tee %t/actual-dependencies.txt
 
 // Fail if there is any entry in actual-dependencies.txt that's not in allowed-dependencies.txt
 // RUN: test -z "`comm -13 %t/allowed-dependencies.txt %t/actual-dependencies.txt`"
 
+// DEP-WASM: ___indirect_function_table
+// DEP-WASM: ___memory_base
 // DEP: ___stack_chk_fail
 // DEP: ___stack_chk_guard
+// DEP-WASM: ___stack_pointer
 // DEP: _arc4random_buf
 // DEP: _free
 // DEP: _memmove

diff --git a/test/embedded/float-abi-hard.swift b/test/embedded/float-abi-hard.swift
@@ -4,7 +4,7 @@
 // RUN: %target-swift-emit-ir %t/Main.swift -import-bridging-header %t/BridgingHeader.h -parse-as-library -enable-experimental-feature Embedded -wmo \
 // RUN:  -target armv7em-none-none-eabi -Xcc -mthumb -Xcc -mcpu=cortex-m7 -Xcc -mfloat-abi=hard -Xcc -mfpu=fpv5-sp-d16 -Xcc -D__FPU_USED=1 -Xcc -falign-functions=16
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/fragile-reference.swift b/test/embedded/fragile-reference.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -module-name main -parse-as-library -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -module-name main -parse-as-library -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: CODEGENERATOR=ARM
 // REQUIRES: embedded_stdlib_cross_compiling

diff --git a/test/embedded/no-allocations-print.swift b/test/embedded/no-allocations-print.swift
@@ -3,7 +3,7 @@
 // RUN: %target-swift-emit-ir -target armv7-apple-none-macho -no-allocations %s -enable-experimental-feature Embedded
 // RUN: %target-swift-emit-ir -target arm64-apple-none-macho -no-allocations %s -enable-experimental-feature Embedded
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/optionset2.swift b/test/embedded/optionset2.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/ouroboros-bug.swift b/test/embedded/ouroboros-bug.swift
@@ -6,7 +6,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -assert-config Debug -Osize -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -assert-config Debug -Osize -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/static-object-non-darwin.swift b/test/embedded/static-object-non-darwin.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7em-none-none-eabi -parse-as-library -module-name main -O -emit-ir %s -enable-experimental-feature Embedded -Xllvm -link-embedded-runtime=0 | %FileCheck %s
 // RUN: %target-swift-frontend -target armv7em-none-none-eabi -parse-as-library -module-name main -Osize -emit-ir %s -enable-experimental-feature Embedded -Xllvm -link-embedded-runtime=0 | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/stdlib-array.swift b/test/embedded/stdlib-array.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/stdlib-basic.swift b/test/embedded/stdlib-basic.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: CODEGENERATOR=ARM
 // REQUIRES: embedded_stdlib_cross_compiling

diff --git a/test/embedded/stdlib-dictionary.swift b/test/embedded/stdlib-dictionary.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: embedded_stdlib_cross_compiling

diff --git a/test/embedded/stdlib-random.swift b/test/embedded/stdlib-random.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: embedded_stdlib_cross_compiling

diff --git a/test/embedded/stdlib-set.swift b/test/embedded/stdlib-set.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/stdlib-strings-interpolation3.swift b/test/embedded/stdlib-strings-interpolation3.swift
@@ -2,7 +2,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -module-name main -parse-as-library -emit-ir %s -enable-experimental-feature Embedded -O
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -module-name main -parse-as-library -emit-ir %s -enable-experimental-feature Embedded -Osize
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: CODEGENERATOR=ARM
 // REQUIRES: embedded_stdlib_cross_compiling

diff --git a/test/embedded/stdlib-types-riscv.swift b/test/embedded/stdlib-types-riscv.swift
@@ -1,12 +1,12 @@
 // RUN: %target-swift-frontend -target riscv32-none-none-eabi -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target riscv64-none-none-eabi -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=RISCV
 // REQUIRES: embedded_stdlib_cross_compiling
 // REQUIRES: swift_feature_Embedded
-// UNSUPPORTED: OS=wasi
 
 class MyClass {}
 

diff --git a/test/embedded/stdlib-types.swift b/test/embedded/stdlib-types.swift
@@ -1,7 +1,7 @@
 // RUN: %target-swift-frontend -target armv7-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 // RUN: %target-swift-frontend -target arm64-apple-none-macho -emit-ir %s -enable-experimental-feature Embedded | %FileCheck %s
 
-// UNSUPPORTED: OS=wasi
+// UNSUPPORTED: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: CODEGENERATOR=ARM

diff --git a/test/embedded/traps-fatalerror-ir.swift b/test/embedded/traps-fatalerror-ir.swift
@@ -4,7 +4,7 @@
 // RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo %s -O     -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
 // RUN: %target-swift-emit-ir -enable-experimental-feature Embedded -wmo %s -Osize -assert-config Debug | %FileCheck %s --check-prefix=CHECK-MESSAGE
 
-// XFAIL: OS=wasi
+// XFAIL: CPU=wasm32
 // REQUIRES: swift_in_compiler
 // REQUIRES: optimized_stdlib
 // REQUIRES: swift_stdlib_no_asserts