[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
This commit is contained in:
Quentin Colombet 2015-11-19 00:38:00 +00:00
parent ce103d4605
commit 1fcad31efa
2 changed files with 6 additions and 1 deletions

View File

@ -143,6 +143,11 @@ public:
MachineBasicBlock::iterator I,
uint64_t Amount) const;
/// Returns true if the target will correctly handle shrink wrapping.
bool enableShrinkWrapping(const MachineFunction &MF) const override {
return true;
}
/// Wraps up getting a CFI index and building a MachineInstr for it.
void BuildCFI(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
DebugLoc DL, MCCFIInstruction CFIInst) const;

View File

@ -277,8 +277,8 @@ declare fastcc %union.tree_node* @default_conversion(%union.tree_node*) nounwind
; CHECK-LABEL: foo:
; CHECK: callq func
; CHECK-NEXT: .LBB4_2:
; CHECK-NEXT: popq
; CHECK-NEXT: .LBB4_2:
; CHECK-NEXT: ret
define void @foo(i1* %V) nounwind {