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-rw-r--r--llvm/lib/Target/PowerPC/PPCSubtarget.cpp12
1 files changed, 1 insertions, 11 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index ace37c1f22e..fd3bc2f9021 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -165,14 +165,7 @@ bool PPCSubtarget::enablePostRAScheduler(
CodeGenOpt::Level OptLevel,
TargetSubtargetInfo::AntiDepBreakMode& Mode,
RegClassVector& CriticalPathRCs) const {
- // FIXME: It would be best to use TargetSubtargetInfo::ANTIDEP_ALL here,
- // but we can't because we can't reassign the cr registers. There is a
- // dependence between the cr register and the RLWINM instruction used
- // to extract its value which the anti-dependency breaker can't currently
- // see. Maybe we should make a late-expanded pseudo to encode this dependency.
- // (the relevant code is in PPCDAGToDAGISel::SelectSETCC)
-
- Mode = TargetSubtargetInfo::ANTIDEP_CRITICAL;
+ Mode = TargetSubtargetInfo::ANTIDEP_ALL;
CriticalPathRCs.clear();
@@ -181,9 +174,6 @@ bool PPCSubtarget::enablePostRAScheduler(
else
CriticalPathRCs.push_back(&PPC::GPRCRegClass);
- CriticalPathRCs.push_back(&PPC::F8RCRegClass);
- CriticalPathRCs.push_back(&PPC::VRRCRegClass);
-
return OptLevel >= CodeGenOpt::Default;
}
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