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| author | Bill Wendling <isanbard@gmail.com> | 2010-07-09 19:44:12 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-07-09 19:44:12 +0000 |
| commit | f831d86311dde9a7c5e52520bedbc5bed2cd5782 (patch) | |
| tree | 0603aa47914218de4a2e03b71f718d533f98f128 /llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | 0b73ccfe20166a2ef0843d9e49892dc2300e9f44 (diff) | |
| download | bcm5719-llvm-f831d86311dde9a7c5e52520bedbc5bed2cd5782.tar.gz bcm5719-llvm-f831d86311dde9a7c5e52520bedbc5bed2cd5782.zip | |
Clarify what mysterious check means.
llvm-svn: 108005
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 5eb1a003bc6..43ef9a1cacf 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -300,6 +300,9 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) { for (MachineBasicBlock::const_iterator II = MBB->begin(), IE = MBB->end(); II != IE; ++II) { const TargetInstrDesc &TID = TM.getInstrInfo()->get(II->getOpcode()); + + // Operand 1 of an inline asm instruction indicates whether the asm + // needs stack or not. if ((II->isInlineAsm() && II->getOperand(1).getImm()) || (TID.isCall() && !TID.isReturn())) { MFI->setHasCalls(true); |
