From: Alkis Evlogimenos <alkis@evlogimenos.com>
Date: Sat, 29 May 2004 20:38:05 +0000 (+0000)
Subject: Add method to assign stack slot to virtual register without creating a
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=38af59a43c4176d8f34bd26faeb18b23080a1d9b;p=oota-llvm.git

Add method to assign stack slot to virtual register without creating a
new one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13895 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 7e8e416034c..5cec9e97c6e 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -61,6 +61,14 @@ int VirtRegMap::assignVirt2StackSlot(unsigned virtReg)
     return frameIndex;
 }
 
+void VirtRegMap::assignVirt2StackSlot(unsigned virtReg, int frameIndex)
+{
+    assert(MRegisterInfo::isVirtualRegister(virtReg));
+    assert(v2ssMap_[virtReg] == NO_STACK_SLOT &&
+           "attempt to assign stack slot to already spilled register");
+     v2ssMap_[virtReg] = frameIndex;
+}
+
 void VirtRegMap::virtFolded(unsigned virtReg,
                             MachineInstr* oldMI,
                             MachineInstr* newMI)
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index c4188bcfbcd..e9bfe76d4bf 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -97,6 +97,7 @@ namespace llvm {
         }
 
         int assignVirt2StackSlot(unsigned virtReg);
+        void assignVirt2StackSlot(unsigned virtReg, int frameIndex);
 
         void virtFolded(unsigned virtReg,
                         MachineInstr* oldMI,