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[X86] Enable shrink-wrapping by default.
Differential Revision: http://reviews.llvm.org/D14156 rdar://problem/21118279 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253528 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -143,6 +143,11 @@ public:
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MachineBasicBlock::iterator I,
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uint64_t Amount) const;
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/// Returns true if the target will correctly handle shrink wrapping.
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bool enableShrinkWrapping(const MachineFunction &MF) const override {
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return true;
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}
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/// Wraps up getting a CFI index and building a MachineInstr for it.
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void BuildCFI(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
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DebugLoc DL, MCCFIInstruction CFIInst) const;
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@ -277,8 +277,8 @@ declare fastcc %union.tree_node* @default_conversion(%union.tree_node*) nounwind
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; CHECK-LABEL: foo:
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; CHECK: callq func
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; CHECK-NEXT: .LBB4_2:
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; CHECK-NEXT: popq
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; CHECK-NEXT: .LBB4_2:
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; CHECK-NEXT: ret
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define void @foo(i1* %V) nounwind {
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