fixes #109778

fixed the testcase failures

Author: akshaykumars614

llvm/test/CodeGen/AArch64/aarch64-named-reg-x18.ll

@@ -1,9 +1,8 @@
-; RUN: not --crash llc < %s -mtriple=aarch64-fuchsia 2>&1 | FileCheck %s
+; RUN: llc -mtriple=aarch64-fuchsia -o - %s
 
 define void @set_x18(i64 %x) {
 entry:
 ; FIXME: Include an allocatable-specific error message
-; CHECK: Invalid register name "x18".
   tail call void @llvm.write_register.i64(metadata !0, i64 %x)
   ret void
 }

llvm/test/CodeGen/AArch64/arm64-named-reg-alloc.ll

@@ -4,11 +4,7 @@
 define i32 @get_stack() nounwind {
 entry:
 ; FIXME: Include an allocatable-specific error message
-<<<<<<< Updated upstream
-; CHECK: Couldn't find the register class
-=======
 ; CHECK: Trying to obtain non-reserved register "x5".
->>>>>>> Stashed changes
 	%sp = call i32 @llvm.read_register.i32(metadata !0)
   ret i32 %sp
 }