Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/AArch64/arm64-stacksave.ll

@@ -1,20 +0,0 @@
-; RUN: llc < %s -verify-coalescing
-; <rdar://problem/11522048>
-target triple = "arm64-apple-macosx10.8.0"
-
-; Verify that we can handle spilling the stack pointer without attempting
-; spilling it directly.
-; CHECK: f
-; CHECK: mov [[X0:x[0-9]+]], sp
-; CHECK: str [[X0]]
-; CHECK: inlineasm
-define void @f() nounwind ssp {
-entry:
-  %savedstack = call i8* @llvm.stacksave() nounwind
-  call void asm sideeffect "; inlineasm", "~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
-  call void @llvm.stackrestore(i8* %savedstack) nounwind
-  ret void
-}
-
-declare i8* @llvm.stacksave() nounwind
-declare void @llvm.stackrestore(i8*) nounwind