6 files changed, 71 insertions, 6 deletions
diff --git a/clang/test/Preprocessor/Inputs/llvm-windres.h b/clang/test/Preprocessor/Inputs/llvm-windres.h
index 411ec48..ef6bc47 100644
--- a/clang/test/Preprocessor/Inputs/llvm-windres.h
+++ b/clang/test/Preprocessor/Inputs/llvm-windres.h
@@ -1,10 +1,12 @@
 #ifndef RC_INVOKED
-#error RC_INVOKED not defined
+#  error RC_INVOKED not defined
 #endif
-#ifndef _WIN32
-#error _WIN32 not defined
-#endif
-#ifndef __MINGW32__
-#error __MINGW32__ not defined
+#ifndef __CYGWIN__
+#  ifndef _WIN32
+#    error _WIN32 not defined
+#  endif
+#  ifndef __MINGW32__
+#    error __MINGW32__ not defined
+#  endif
 #endif
 #define MY_ID 42
diff --git a/clang/test/Preprocessor/builtin_aux_info.cpp b/clang/test/Preprocessor/builtin_aux_info.cpp
new file mode 100644
index 0000000..60c8c6c
--- /dev/null
+++ b/clang/test/Preprocessor/builtin_aux_info.cpp
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -fopenmp -triple=spirv64 -fopenmp-is-target-device \
+// RUN: -aux-triple x86_64-linux-unknown -E %s | FileCheck -implicit-check-not=BAD %s
+
+// RUN: %clang_cc1 -fopenmp -triple=nvptx64 -fopenmp-is-target-device \
+// RUN: -aux-triple x86_64-linux-unknown -E %s | FileCheck -implicit-check-not=BAD %s
+
+// RUN: %clang_cc1 -fopenmp -triple=amdgcn-amd-amdhsa -fopenmp-is-target-device \
+// RUN: -aux-triple x86_64-linux-unknown -E %s | FileCheck -implicit-check-not=BAD %s
+
+// RUN: %clang_cc1 -fopenmp -triple=aarch64 -fopenmp-is-target-device \
+// RUN: -aux-triple x86_64-linux-unknown -E %s | FileCheck -implicit-check-not=BAD %s
+
+// CHECK: GOOD
+#if __has_builtin(__builtin_ia32_pause)
+  BAD
+#else
+  GOOD
+#endif
diff --git a/clang/test/Preprocessor/init-x86.c b/clang/test/Preprocessor/init-x86.c
index 8ea4ce7..f5fd976 100644
--- a/clang/test/Preprocessor/init-x86.c
+++ b/clang/test/Preprocessor/init-x86.c
@@ -1535,6 +1535,7 @@
 // I386-CYGWIN:#define __GCC_ATOMIC_SHORT_LOCK_FREE 2
 // I386-CYGWIN:#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
 // I386-CYGWIN:#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
+// I386-CYGWIN:#define __GXX_TYPEINFO_EQUALITY_INLINE 0
 // I386-CYGWIN:#define __ILP32__ 1
 // I386-CYGWIN:#define __INT16_C(c) c
 // I386-CYGWIN:#define __INT16_C_SUFFIX__
@@ -1746,6 +1747,7 @@
 // X86_64-CYGWIN:#define __GCC_ATOMIC_SHORT_LOCK_FREE 2
 // X86_64-CYGWIN:#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
 // X86_64-CYGWIN:#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
+// X86_64-CYGWIN:#define __GXX_TYPEINFO_EQUALITY_INLINE 0
 // X86_64-CYGWIN:#define __INT16_C(c) c
 // X86_64-CYGWIN:#define __INT16_C_SUFFIX__
 // X86_64-CYGWIN:#define __INT16_FMTd__ "hd"
diff --git a/clang/test/Preprocessor/preprocess-cpp-output.c b/clang/test/Preprocessor/preprocess-cpp-output.c
new file mode 100644
index 0000000..2c18060
--- /dev/null
+++ b/clang/test/Preprocessor/preprocess-cpp-output.c
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 -E -x c %s | FileCheck %s --check-prefixes=EXPANDED
+// RUN: %clang_cc1 -E -x cpp-output %s | FileCheck %s --check-prefixes=NOT-EXPANDED
+
+// EXPANDED: void __attribute__((__attribute__((always_inline)))) foo()
+// NOT-EXPANDED: void __attribute__((always_inline)) foo()
+
+#define always_inline __attribute__((always_inline))
+void __attribute__((always_inline)) foo() {
+    return 4;
+}
diff --git a/clang/test/Preprocessor/preprocess-pragma-cpp-output.c b/clang/test/Preprocessor/preprocess-pragma-cpp-output.c
new file mode 100644
index 0000000..d538937
--- /dev/null
+++ b/clang/test/Preprocessor/preprocess-pragma-cpp-output.c
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -E -x c %s | FileCheck %s
+// RUN: %clang_cc1 -x c -fsyntax-only %s -verify
+// RUN: %clang_cc1 -x cpp-output -fsyntax-only -verify %s
+// expected-no-diagnostics
+
+// The preprocessor does not expand macro-identifiers in #pragma directives.
+// When we preprocess & parse the code, clang expands the macros in directives.
+// When we parse already preprocessed code, clang still has to expand the
+// macros in the directives.
+// This means that we're not always able to parse the preprocessor's output
+// without preserving the definitions (-dD).
+
+#define FACTOR 4
+
+void foo() {
+    // CHECK: #pragma unroll FACTOR
+    #pragma unroll FACTOR
+    for(;;) {
+    }
+    return;
+}
diff --git a/clang/test/Preprocessor/wasm-target-features.c b/clang/test/Preprocessor/wasm-target-features.c
index 71b7cf6..3edaf9e 100644
--- a/clang/test/Preprocessor/wasm-target-features.c
+++ b/clang/test/Preprocessor/wasm-target-features.c
@@ -53,6 +53,15 @@
 // FP16: #define __wasm_fp16__ 1{{$}}
 
 // RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN:     -target wasm32-unknown-unknown -mgc \
+// RUN:   | FileCheck %s -check-prefix=GC
+// RUN: %clang -E -dM %s -o - 2>&1 \
+// RUN:     -target wasm64-unknown-unknown -mgc \
+// RUN:   | FileCheck %s -check-prefix=GC
+//
+// GC: #define __wasm_gc__ 1{{$}}
+
+// RUN: %clang -E -dM %s -o - 2>&1 \
 // RUN:     -target wasm32-unknown-unknown -mmultimemory \
 // RUN:   | FileCheck %s -check-prefix=MULTIMEMORY
 // RUN: %clang -E -dM %s -o - 2>&1 \
@@ -145,6 +154,7 @@
 // MVP-NOT: #define __wasm_exception_handling__ 1{{$}}
 // MVP-NOT: #define __wasm_extended_const__ 1{{$}}
 // MVP-NOT: #define __wasm_fp16__ 1{{$}}
+// MVP-NOT: #define __wasm_gc__ 1{{$}}
 // MVP-NOT: #define __wasm_multimemory__ 1{{$}}
 // MVP-NOT: #define __wasm_multivalue__ 1{{$}}
 // MVP-NOT: #define __wasm_mutable_globals__ 1{{$}}
@@ -181,6 +191,7 @@
 // GENERIC-NOT: #define __wasm_exception_handling__ 1{{$}}
 // GENERIC-NOT: #define __wasm_extended_const__ 1{{$}}
 // GENERIC-NOT: #define __wasm__fp16__ 1{{$}}
+// GENERIC-NOT: #define __wasm_gc__ 1{{$}}
 // GENERIC-NOT: #define __wasm_multimemory__ 1{{$}}
 // GENERIC-NOT: #define __wasm_relaxed_simd__ 1{{$}}
 // GENERIC-NOT: #define __wasm_simd128__ 1{{$}}
@@ -199,6 +210,7 @@
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_exception_handling__ 1{{$}}
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_extended_const__ 1{{$}}
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_fp16__ 1{{$}}
+// BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_gc__ 1{{$}}
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_multimemory__ 1{{$}}
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_multivalue__ 1{{$}}
 // BLEEDING-EDGE-INCLUDE-DAG: #define __wasm_mutable_globals__ 1{{$}}