Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/Transforms/SafeStack/AArch64/abi.ll

@@ -0,0 +1,20 @@
+; RUN: opt -safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck %s
+
+
+define void @foo() nounwind uwtable safestack {
+entry:
+; CHECK: %[[TP:.*]] = call i8* @llvm.thread.pointer()
+; CHECK: %[[SPA0:.*]] = getelementptr i8, i8* %[[TP]], i32 72
+; CHECK: %[[SPA:.*]] = bitcast i8* %[[SPA0]] to i8**
+; CHECK: %[[USP:.*]] = load i8*, i8** %[[SPA]]
+; CHECK: %[[USST:.*]] = getelementptr i8, i8* %[[USP]], i32 -16
+; CHECK: store i8* %[[USST]], i8** %[[SPA]]
+
+  %a = alloca i8, align 8
+  call void @Capture(i8* %a)
+
+; CHECK: store i8* %[[USP]], i8** %[[SPA]]
+  ret void
+}
+
+declare void @Capture(i8*)

external/llvm-project/llvm/test/Transforms/SafeStack/AArch64/abi_ssp.ll

@@ -0,0 +1,23 @@
+; RUN: opt -safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck --check-prefixes=TLS,ANDROID %s
+; RUN: opt -safe-stack -S -mtriple=aarch64-unknown-fuchsia < %s -o - | FileCheck --check-prefixes=TLS,FUCHSIA %s
+
+define void @foo() nounwind uwtable safestack sspreq {
+entry:
+; The first @llvm.thread.pointer is for the unsafe stack pointer, skip it.
+; TLS: call i8* @llvm.thread.pointer()
+
+; TLS: %[[TP2:.*]] = call i8* @llvm.thread.pointer()
+; ANDROID: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 40
+; FUCHSIA: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 -16
+; TLS: %[[C:.*]] = bitcast i8* %[[B]] to i8**
+; TLS: %[[StackGuard:.*]] = load i8*, i8** %[[C]]
+; TLS: store i8* %[[StackGuard]], i8** %[[StackGuardSlot:.*]]
+  %a = alloca i128, align 16
+  call void @Capture(i128* %a)
+
+; TLS: %[[A:.*]] = load i8*, i8** %[[StackGuardSlot]]
+; TLS: icmp ne i8* %[[StackGuard]], %[[A]]
+  ret void
+}
+
+declare void @Capture(i128*)

external/llvm-project/llvm/test/Transforms/SafeStack/AArch64/lit.local.cfg

@@ -0,0 +1,3 @@
+if not 'AArch64' in config.root.targets:
+    config.unsupported = True
+