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authorDan Gohman <gohman@apple.com>2009-12-05 00:44:40 +0000
committerDan Gohman <gohman@apple.com>2009-12-05 00:44:40 +0000
commit864e2efce2cb5d02e376933933d96074723fe77c (patch)
treefdc89493c59faaaa0ab2bc2273cd28baaff8f903 /lib/Target/SystemZ
parent735985fbbe3a1752b02163af0ec3ab6e6a7f0948 (diff)
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Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
MachineBasicBlock::canFallThrough(), which is target-independent and more thorough. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ')
-rw-r--r--lib/Target/SystemZ/SystemZInstrInfo.cpp12
-rw-r--r--lib/Target/SystemZ/SystemZInstrInfo.h1
2 files changed, 0 insertions, 13 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.cpp b/lib/Target/SystemZ/SystemZInstrInfo.cpp
index d711d81..5fa7e8c 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -402,18 +402,6 @@ ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
return false;
}
-bool SystemZInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB)const{
- if (MBB.empty()) return false;
-
- switch (MBB.back().getOpcode()) {
- case SystemZ::RET: // Return.
- case SystemZ::JMP: // Uncond branch.
- case SystemZ::JMPr: // Indirect branch.
- return true;
- default: return false;
- }
-}
-
bool SystemZInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
const TargetInstrDesc &TID = MI->getDesc();
if (!TID.isTerminator()) return false;
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.h b/lib/Target/SystemZ/SystemZInstrInfo.h
index e16d704..ef3b39e 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.h
+++ b/lib/Target/SystemZ/SystemZInstrInfo.h
@@ -89,7 +89,6 @@ public:
const std::vector<CalleeSavedInfo> &CSI) const;
bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
- virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const;
virtual bool AnalyzeBranch(MachineBasicBlock &MBB,
MachineBasicBlock *&TBB,