diff options
author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-17 20:37:07 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-17 20:37:07 +0000 |
commit | 6a3dbd3b25bbc99bd1a233d6a74ddea3493ba6ac (patch) | |
tree | 512a2f340823e0cb054136093b13d679f6200e6b /lib/CodeGen/InlineSpiller.cpp | |
parent | c74513d1b6e2f6c91533a23ebbdc47a6f1dfcc0c (diff) |
Dead code elimination may separate the live interval into multiple connected components.
I have convinced myself that it can only happen when a phi value dies. When it
happens, allocate new virtual registers for the components.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127827 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
-rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index ff0a1051e7..ecb0088183 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -460,7 +460,7 @@ bool InlineSpiller::reMaterializeFor(MachineBasicBlock::iterator MI) { } // Alocate a new register for the remat. - LiveInterval &NewLI = Edit->create(MRI, LIS, VRM); + LiveInterval &NewLI = Edit->create(LIS, VRM); NewLI.markNotSpillable(); // Rematting for a copy: Set allocation hint to be the destination register. @@ -685,7 +685,7 @@ void InlineSpiller::spillAroundUses(unsigned Reg) { // Allocate interval around instruction. // FIXME: Infer regclass from instruction alone. - LiveInterval &NewLI = Edit->create(MRI, LIS, VRM); + LiveInterval &NewLI = Edit->create(LIS, VRM); NewLI.markNotSpillable(); if (Reads) |