Fixups and manual test updates

Author: MacDue

llvm/test/CodeGen/AArch64/arm64-collect-loh.ll

@@ -612,6 +612,7 @@ define <1 x i8> @getL() {
 ; CHECK-LABEL: _setL
 ; CHECK: [[ADRP_LABEL:Lloh[0-9]+]]:
 ; CHECK-NEXT: adrp [[ADRP_REG:x[0-9]+]], _L@GOTPAGE
+; CHECK-NEXT: ; kill
 ; CHECK-NEXT: [[LDRGOT_LABEL:Lloh[0-9]+]]:
 ; CHECK-NEXT: ldr {{[xw]}}[[LDRGOT_REG:[0-9]+]], [[[ADRP_REG]], _L@GOTPAGEOFF]
 ; CHECK-NEXT: [[STR_LABEL:Lloh[0-9]+]]: