steplong updated this revision to Diff 431011.
steplong added a comment.
- Change addrspace(256) to the default addrspace 0
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D126024/new/
https://reviews.llvm.org/D126024
Files:
clang/include/clang/Basic/BuiltinsAArch64.def
clang/lib/CodeGen/CGBuiltin.cpp
clang/lib/Headers/intrin.h
clang/test/CodeGen/arm64-microsoft-intrinsics.c
Index: clang/test/CodeGen/arm64-microsoft-intrinsics.c
===================================================================
--- clang/test/CodeGen/arm64-microsoft-intrinsics.c
+++ clang/test/CodeGen/arm64-microsoft-intrinsics.c
@@ -119,5 +119,65 @@
// CHECK-MSVC: call i64 @llvm.read_register.i64(metadata ![[MD2:.*]])
// CHECK-MSVC: call i64 @llvm.read_register.i64(metadata ![[MD3:.*]])
+
+unsigned char check__readx18byte(unsigned long offset) {
+ return __readx18byte(offset);
+}
+
+// CHECK-MSVC: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
+// CHECK-MSVC: store i32 %offset, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
+// CHECK-MSVC: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to i8*
+// CHECK-MSVC: %[[OFFSET:.*]] = load i32, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
+// CHECK-MSVC: %[[PTR:.*]] = getelementptr i8, i8* %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
+// CHECK-MSVC: %[[RETVAL:.*]] = load i8, i8* %[[PTR]], align 1
+// CHECK-MSVC: ret i8 %[[RETVAL]]
+
+unsigned short check__readx18word(unsigned long offset) {
+ return __readx18word(offset);
+}
+
+// CHECK-MSVC: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
+// CHECK-MSVC: store i32 %offset, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
+// CHECK-MSVC: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to i8*
+// CHECK-MSVC: %[[OFFSET:.*]] = load i32, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
+// CHECK-MSVC: %[[PTR:.*]] = getelementptr i8, i8* %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
+// CHECK-MSVC: %[[BITCAST_PTR:.*]] = bitcast i8* %[[PTR]] to i16*
+// CHECK-MSVC: %[[RETVAL:.*]] = load i16, i16* %[[BITCAST_PTR]], align 2
+// CHECK-MSVC: ret i16 %[[RETVAL]]
+
+unsigned long check__readx18dword(unsigned long offset) {
+ return __readx18dword(offset);
+}
+
+// CHECK-MSVC: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
+// CHECK-MSVC: store i32 %offset, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
+// CHECK-MSVC: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to i8*
+// CHECK-MSVC: %[[OFFSET:.*]] = load i32, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
+// CHECK-MSVC: %[[PTR:.*]] = getelementptr i8, i8* %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
+// CHECK-MSVC: %[[BITCAST_PTR:.*]] = bitcast i8* %[[PTR]] to i32*
+// CHECK-MSVC: %[[RETVAL:.*]] = load i32, i32* %[[BITCAST_PTR]], align 4
+// CHECK-MSVC: ret i32 %[[RETVAL]]
+
+unsigned __int64 check__readx18qword(unsigned long offset) {
+ return __readx18qword(offset);
+}
+
+// CHECK-MSVC: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
+// CHECK-MSVC: store i32 %offset, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
+// CHECK-MSVC: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to i8*
+// CHECK-MSVC: %[[OFFSET:.*]] = load i32, i32* %[[OFFSET_ADDR]], align 4
+// CHECK-MSVC: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
+// CHECK-MSVC: %[[PTR:.*]] = getelementptr i8, i8* %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
+// CHECK-MSVC: %[[BITCAST_PTR:.*]] = bitcast i8* %[[PTR]] to i64*
+// CHECK-MSVC: %[[RETVAL:.*]] = load i64, i64* %[[BITCAST_PTR]], align 8
+// CHECK-MSVC: ret i64 %[[RETVAL]]
+
// CHECK-MSVC: ![[MD2]] = !{!"x18"}
// CHECK-MSVC: ![[MD3]] = !{!"sp"}
Index: clang/lib/Headers/intrin.h
===================================================================
--- clang/lib/Headers/intrin.h
+++ clang/lib/Headers/intrin.h
@@ -562,6 +562,11 @@
unsigned __int64 __umulh(unsigned __int64 __a, unsigned __int64 __b);
void __break(int);
+
+unsigned char __readx18byte(unsigned long offset);
+unsigned short __readx18word(unsigned long offset);
+unsigned long __readx18dword(unsigned long offset);
+unsigned __int64 __readx18qword(unsigned long offset);
#endif
/*----------------------------------------------------------------------------*\
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -9952,6 +9952,31 @@
return HigherBits;
}
+ if (BuiltinID == AArch64::BI__readx18byte ||
+ BuiltinID == AArch64::BI__readx18word ||
+ BuiltinID == AArch64::BI__readx18dword ||
+ BuiltinID == AArch64::BI__readx18qword) {
+ llvm::Type *IntTy = ConvertType(E->getType());
+
+ // Read x18 as i8*
+ LLVMContext &Context = CGM.getLLVMContext();
+ llvm::Metadata *Ops[] = {llvm::MDString::get(Context, "x18")};
+ llvm::MDNode *RegName = llvm::MDNode::get(Context, Ops);
+ llvm::Value *Metadata = llvm::MetadataAsValue::get(Context, RegName);
+ llvm::Function *F =
+ CGM.getIntrinsic(llvm::Intrinsic::read_register, {Int64Ty});
+ llvm::Value *X18 = Builder.CreateCall(F, Metadata);
+ X18 = Builder.CreateIntToPtr(X18, llvm::PointerType::get(Int8Ty, 0));
+
+ // Load x18 + offset
+ Value *Offset = Builder.CreateZExt(EmitScalarExpr(E->getArg(0)), Int64Ty);
+ Value *Ptr = Builder.CreateGEP(Int8Ty, X18, Offset);
+ Ptr = Builder.CreatePointerCast(Ptr, llvm::PointerType::get(IntTy, 0));
+ LoadInst *Load = Builder.CreateAlignedLoad(
+ IntTy, Ptr, getContext().getTypeAlignInChars(E->getType()));
+ return Load;
+ }
+
// Handle MSVC intrinsics before argument evaluation to prevent double
// evaluation.
if (Optional<MSVCIntrin> MsvcIntId = translateAarch64ToMsvcIntrin(BuiltinID))
Index: clang/include/clang/Basic/BuiltinsAArch64.def
===================================================================
--- clang/include/clang/Basic/BuiltinsAArch64.def
+++ clang/include/clang/Basic/BuiltinsAArch64.def
@@ -251,6 +251,11 @@
TARGET_HEADER_BUILTIN(__break, "vi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
+TARGET_HEADER_BUILTIN(__readx18byte, "UcULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
+TARGET_HEADER_BUILTIN(__readx18word, "UsULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
+TARGET_HEADER_BUILTIN(__readx18dword, "ULiULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
+TARGET_HEADER_BUILTIN(__readx18qword, "ULLiULi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
+
#undef BUILTIN
#undef LANGBUILTIN
#undef TARGET_HEADER_BUILTIN
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