diff --git a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
--- a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
+++ b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
@@ -48,6 +48,8 @@
   UseDataRegionDirectives = true;
 
   ExceptionsType = ExceptionHandling::DwarfCFI;
+
+  TextAlignFillValue = 0xd503201f;
 }
 
 const MCExpr *AArch64MCAsmInfoDarwin::getExprForPersonalitySymbol(
@@ -97,6 +99,8 @@
   ExceptionsType = ExceptionHandling::DwarfCFI;
 
   HasIdentDirective = true;
+
+  TextAlignFillValue = 0xd503201f;
 }
 
 AArch64MCAsmInfoMicrosoftCOFF::AArch64MCAsmInfoMicrosoftCOFF() {
@@ -114,6 +118,8 @@
   CommentString = "//";
   ExceptionsType = ExceptionHandling::WinEH;
   WinEHEncodingType = WinEH::EncodingType::Itanium;
+
+  TextAlignFillValue = 0xd503201f;
 }
 
 AArch64MCAsmInfoGNUCOFF::AArch64MCAsmInfoGNUCOFF() {
@@ -131,4 +137,6 @@
   CommentString = "//";
   ExceptionsType = ExceptionHandling::WinEH;
   WinEHEncodingType = WinEH::EncodingType::Itanium;
+
+  TextAlignFillValue = 0xd503201f;
 }