diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-15 00:16:55 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-15 00:16:55 +0000 |
| commit | 2a0180fbff4870995482d96986ad780ab9de8af4 (patch) | |
| tree | bdc45da8da7bd2b28082cb5d0f1e6b564e417bcd /lib/CodeGen/InlineSpiller.cpp | |
| parent | a17768f5822ab62bc18608e5ba473187bf726b84 (diff) | |
Move stack slot assignments into LiveRangeEdit.
All registers created during splitting or spilling are assigned to the same
stack slot as the parent register.
When splitting or rematting, we may not spill at all. In that case the stack
slot is still assigned, but it will be dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116546 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index 60181d7cdf..94a40c4b3e 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -371,9 +371,7 @@ void InlineSpiller::spill(LiveRangeEdit &edit) { return; rc_ = mri_.getRegClass(edit.getReg()); - stackSlot_ = vrm_.getStackSlot(edit.getReg()); - if (stackSlot_ == VirtRegMap::NO_STACK_SLOT) - stackSlot_ = vrm_.assignVirt2StackSlot(edit.getReg()); + stackSlot_ = edit.assignStackSlot(vrm_); // Iterate over instructions using register. for (MachineRegisterInfo::reg_iterator RI = mri_.reg_begin(edit.getReg()); |