commit 3588a43e3a3633b41a811aefcf86ae00a5a8e548
author Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Dec 21 19:50:05 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Dec 21 19:50:05 2011 +0000
tree ab5d700d49099b57523fbfffc50d4d46e35a5751
parent a4b2a86353ef12c7abd4aaffbbfb4ab22d79eea0

Move common code into an MRI function.

llvm-svn: 147071

llvm/lib/Target/ARM/ARMFrameLowering.cpp

diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index 06944b1..41b4b7e 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -898,18 +898,9 @@
   for (unsigned i = 0; CSRegs[i]; ++i) {
     unsigned Reg = CSRegs[i];
     bool Spilled = false;
-    if (MF.getRegInfo().isPhysRegUsed(Reg)) {
+    if (MF.getRegInfo().isPhysRegOrOverlapUsed(Reg)) {
       Spilled = true;
       CanEliminateFrame = false;
-    } else {
-      // Check alias registers too.
-      for (const unsigned *Aliases =
-             RegInfo->getAliasSet(Reg); *Aliases; ++Aliases) {
-        if (MF.getRegInfo().isPhysRegUsed(*Aliases)) {
-          Spilled = true;
-          CanEliminateFrame = false;
-        }
-      }
     }
 
     if (!ARM::GPRRegisterClass->contains(Reg))