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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-18 22:35:20 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-02-18 22:35:20 +0000
commite324f6e05ff7a157347edb48203db0250805f748 (patch)
treec8bd989c58f7753f1969bfcbd95b9c32113b1e5d /lib/CodeGen/VirtRegMap.h
parent188a7e00e784f78d6b5b250a64ac5c374f0fd3f0 (diff)
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Use VirtRegMap's Virt2SplitMap to keep track of the original live range before splitting.
All new virtual registers created for spilling or splitting point back to their original. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125980 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.h')
-rw-r--r--lib/CodeGen/VirtRegMap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index a43ac5f..23101ce 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -214,7 +214,7 @@ namespace llvm {
}
/// @brief returns the live interval virtReg is split from.
- unsigned getPreSplitReg(unsigned virtReg) {
+ unsigned getPreSplitReg(unsigned virtReg) const {
return Virt2SplitMap[virtReg];
}