diff --git a/llvm/include/llvm/MC/MCFixupKindInfo.h b/llvm/include/llvm/MC/MCFixupKindInfo.h
--- a/llvm/include/llvm/MC/MCFixupKindInfo.h
+++ b/llvm/include/llvm/MC/MCFixupKindInfo.h
@@ -19,7 +19,10 @@
     FKF_IsPCRel = (1 << 0),
 
     /// Should this fixup kind force a 4-byte aligned effective PC value?
-    FKF_IsAlignedDownTo32Bits = (1 << 1)
+    FKF_IsAlignedDownTo32Bits = (1 << 1),
+
+    /// This fixup kind should be resolved if defined.
+    FKF_Constant = 1 << 2,
   };
 
   /// A target specific name for the fixup kind. The names will be unique for
diff --git a/llvm/lib/MC/MCAssembler.cpp b/llvm/lib/MC/MCAssembler.cpp
--- a/llvm/lib/MC/MCAssembler.cpp
+++ b/llvm/lib/MC/MCAssembler.cpp
@@ -217,8 +217,8 @@
   }
 
   assert(getBackendPtr() && "Expected assembler backend");
-  bool IsPCRel = getBackendPtr()->getFixupKindInfo(Fixup.getKind()).Flags &
-                 MCFixupKindInfo::FKF_IsPCRel;
+  unsigned FixupFlags = getBackendPtr()->getFixupKindInfo(Fixup.getKind()).Flags;
+  bool IsPCRel = FixupFlags & MCFixupKindInfo::FKF_IsPCRel;
 
   bool IsResolved = false;
   if (IsPCRel) {
@@ -232,8 +232,9 @@
       if (A->getKind() != MCSymbolRefExpr::VK_None || SA.isUndefined()) {
         IsResolved = false;
       } else if (auto *Writer = getWriterPtr()) {
-        IsResolved = Writer->isSymbolRefDifferenceFullyResolvedImpl(
-            *this, SA, *DF, false, true);
+        IsResolved = (FixupFlags & MCFixupKindInfo::FKF_Constant) ||
+                     Writer->isSymbolRefDifferenceFullyResolvedImpl(
+                         *this, SA, *DF, false, true);
       }
     }
   } else {
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
@@ -76,10 +76,12 @@
       {"fixup_thumb_adr_pcrel_10", 0, 8,
        MCFixupKindInfo::FKF_IsPCRel |
            MCFixupKindInfo::FKF_IsAlignedDownTo32Bits},
-      {"fixup_arm_adr_pcrel_12", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
+      {"fixup_arm_adr_pcrel_12", 0, 32,
+       MCFixupKindInfo::FKF_IsPCRel | MCFixupKindInfo::FKF_Constant},
       {"fixup_t2_adr_pcrel_12", 0, 32,
        MCFixupKindInfo::FKF_IsPCRel |
-           MCFixupKindInfo::FKF_IsAlignedDownTo32Bits},
+           MCFixupKindInfo::FKF_IsAlignedDownTo32Bits |
+           MCFixupKindInfo::FKF_Constant},
       {"fixup_arm_condbranch", 0, 24, MCFixupKindInfo::FKF_IsPCRel},
       {"fixup_arm_uncondbranch", 0, 24, MCFixupKindInfo::FKF_IsPCRel},
       {"fixup_t2_condbranch", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
@@ -111,8 +113,7 @@
       {"fixup_bfc_target", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
       {"fixup_bfcsel_else_target", 0, 32, 0},
       {"fixup_wls", 0, 32, MCFixupKindInfo::FKF_IsPCRel},
-      {"fixup_le", 0, 32, MCFixupKindInfo::FKF_IsPCRel}
-  };
+      {"fixup_le", 0, 32, MCFixupKindInfo::FKF_IsPCRel}};
   const static MCFixupKindInfo InfosBE[ARM::NumTargetFixupKinds] = {
       // This table *must* be in the order that the fixup_* kinds are defined in
       // ARMFixupKinds.h.
diff --git a/llvm/test/MC/ARM/Windows/invalid-relocation.s b/llvm/test/MC/ARM/Windows/invalid-relocation.s
--- a/llvm/test/MC/ARM/Windows/invalid-relocation.s
+++ b/llvm/test/MC/ARM/Windows/invalid-relocation.s
@@ -7,7 +7,6 @@
 	.endef
 	.global invalid_relocation
 	.thumb_func
-invalid_relocation:
 	adr r0, invalid_relocation+1
 
 # CHECK: LLVM ERROR: unsupported relocation type: fixup_t2_adr_pcrel_12
diff --git a/llvm/test/MC/ARM/adr-global.s b/llvm/test/MC/ARM/adr-global.s
new file mode 100644
--- /dev/null
+++ b/llvm/test/MC/ARM/adr-global.s
@@ -0,0 +1,15 @@
+@ RUN: llvm-mc -filetype=obj -triple=armv7 %s -o %t
+@ RUN: llvm-readelf -r %t | FileCheck %s
+
+@ CHECK: There are no relocations in this file.
+
+.globl foo
+foo:
+adr r2, foo
+
+.thumb
+.thumb_func
+
+.globl bar
+bar:
+adr lr, bar