[PATCH] D57631: [COFF, ARM64] Add ARM64 support for MS intrinsic _fastfail
Tom Tan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 6 12:08:39 PST 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rL353337: [COFF, ARM64] Add ARM64 support for MS intrinsic _fastfail (authored by TomTan, committed by ).
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Changed prior to commit:
https://reviews.llvm.org/D57631?vs=184869&id=185609#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D57631/new/
https://reviews.llvm.org/D57631
Files:
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
cfe/trunk/test/CodeGen/ms-intrinsics.c
Index: cfe/trunk/test/CodeGen/ms-intrinsics.c
===================================================================
--- cfe/trunk/test/CodeGen/ms-intrinsics.c
+++ cfe/trunk/test/CodeGen/ms-intrinsics.c
@@ -9,7 +9,7 @@
// RUN: | FileCheck %s --check-prefixes CHECK,CHECK-X64,CHECK-ARM-X64,CHECK-INTEL
// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple aarch64-windows -Oz -emit-llvm %s -o - \
-// RUN: | FileCheck %s --check-prefixes CHECK-ARM-ARM64,CHECK-ARM-X64
+// RUN: | FileCheck %s --check-prefixes CHECK-ARM-ARM64,CHECK-ARM-X64,CHECK-ARM64
// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
// stddef.h. Work around it with this typedef.
@@ -1342,15 +1342,14 @@
// CHECK-ARM-ARM64: }
#endif
-#if !defined(__aarch64__)
void test__fastfail() {
__fastfail(42);
}
// CHECK-LABEL: define{{.*}} void @test__fastfail()
// CHECK-ARM: call void asm sideeffect "udf #251", "{r0}"(i32 42) #[[NORETURN:[0-9]+]]
// CHECK-INTEL: call void asm sideeffect "int $$0x29", "{cx}"(i32 42) #[[NORETURN]]
+// CHECK-ARM64: call void asm sideeffect "brk #0xF003", "{w0}"(i32 42) #[[NORETURN:[0-9]+]]
// Attributes come last.
// CHECK: attributes #[[NORETURN]] = { noreturn{{.*}} }
-#endif
Index: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp
@@ -997,6 +997,9 @@
Asm = "udf #251";
Constraints = "{r0}";
break;
+ case llvm::Triple::aarch64:
+ Asm = "brk #0xF003";
+ Constraints = "{w0}";
}
llvm::FunctionType *FTy = llvm::FunctionType::get(VoidTy, {Int32Ty}, false);
llvm::InlineAsm *IA =
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