summaryrefslogtreecommitdiff
path: root/lib/CodeGen/VirtRegMap.cpp
diff options
context:
space:
mode:
authorEvan Cheng <evan.cheng@apple.com>2009-01-20 19:12:24 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-01-20 19:12:24 +0000
commit04ee5a1d9267e5e6fab8f088095fcb83c3c5cbd1 (patch)
tree83e8495f021a9e995df02cb9df4ed332e369e336 /lib/CodeGen/VirtRegMap.cpp
parenta913f4fca947c195a675e04ba625fe9e67d1a865 (diff)
downloadllvm-04ee5a1d9267e5e6fab8f088095fcb83c3c5cbd1.tar.gz
llvm-04ee5a1d9267e5e6fab8f088095fcb83c3c5cbd1.tar.bz2
llvm-04ee5a1d9267e5e6fab8f088095fcb83c3c5cbd1.tar.xz
Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
-rw-r--r--lib/CodeGen/VirtRegMap.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index dab0215005..b35fc2c653 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -1753,8 +1753,8 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
if (!TargetRegisterInfo::isVirtualRegister(VirtReg)) {
// Check to see if this is a noop copy. If so, eliminate the
// instruction before considering the dest reg to be changed.
- unsigned Src, Dst;
- if (TII->isMoveInstr(MI, Src, Dst) && Src == Dst) {
+ unsigned Src, Dst, SrcSR, DstSR;
+ if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst) {
++NumDCE;
DOUT << "Removing now-noop copy: " << MI;
SmallVector<unsigned, 2> KillRegs;
@@ -1840,8 +1840,8 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
// Check to see if this is a noop copy. If so, eliminate the
// instruction before considering the dest reg to be changed.
{
- unsigned Src, Dst;
- if (TII->isMoveInstr(MI, Src, Dst) && Src == Dst) {
+ unsigned Src, Dst, SrcSR, DstSR;
+ if (TII->isMoveInstr(MI, Src, Dst, SrcSR, DstSR) && Src == Dst) {
++NumDCE;
DOUT << "Removing now-noop copy: " << MI;
InvalidateKills(MI, RegKills, KillOps);