ARM: Fix an old refacto.

Fixes PR15520.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177167 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 58c7798..13ec208 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -1357,7 +1357,7 @@
 
     OutStreamer.EmitInstruction(MCInstBuilder(ARM::MOVr)
       .addReg(ARM::PC)
-      .addImm(MI->getOperand(0).getReg())
+      .addReg(MI->getOperand(0).getReg())
       // Add predicate operands.
       .addImm(ARMCC::AL)
       .addReg(0)
diff --git a/test/CodeGen/ARM/call_nolink.ll b/test/CodeGen/ARM/call_nolink.ll
index 00b16888..5ec7f74 100644
--- a/test/CodeGen/ARM/call_nolink.ll
+++ b/test/CodeGen/ARM/call_nolink.ll
@@ -1,5 +1,4 @@
-; RUN: llc < %s -march=arm -mtriple=arm-linux-gnueabi | \
-; RUN:   not grep "bx lr"
+; RUN: llc < %s -march=arm -mtriple=arm-linux-gnueabi | FileCheck %s
 
 	%struct.anon = type { i32 (i32, i32, i32)*, i32, i32, [3 x i32], i8*, i8*, i8* }
 @r = external global [14 x i32]		; <[14 x i32]*> [#uses=4]
@@ -8,6 +7,8 @@
 @numi = external global i32		; <i32*> [#uses=1]
 @counter = external global [2 x i32]		; <[2 x i32]*> [#uses=1]
 
+; CHECK: main_bb_2E_i_bb205_2E_i_2E_i_bb115_2E_i_2E_i:
+; CHECK-NOT: bx lr
 
 define void @main_bb_2E_i_bb205_2E_i_2E_i_bb115_2E_i_2E_i() {
 newFuncRoot:
@@ -50,3 +51,12 @@
 	icmp slt i32 %tmp166.i.i, %tmp168.i.i		; <i1>:0 [#uses=1]
 	br i1 %0, label %bb115.i.i.bb115.i.i_crit_edge, label %bb115.i.i.bb170.i.i_crit_edge.exitStub
 }
+
+define void @PR15520(void ()* %fn) {
+  call void %fn()
+  ret void
+
+; CHECK: PR15520:
+; CHECK: mov lr, pc
+; CHECK: mov pc, r0
+}