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Always assume a function may have calls because the printer may add `bl' to get
the PC in a code sequence for global variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14506 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -187,7 +187,10 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
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// Get the number of bytes to allocate from the FrameInfo
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unsigned NumBytes = MFI->getStackSize();
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if (MFI->hasCalls()) {
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// FIXME: the assembly printer inserts "calls" aka branch-and-link to get the
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// PC address. We may not know about those calls at this time, so be
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// conservative.
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if (MFI->hasCalls() || true) {
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// When we have no frame pointer, we reserve argument space for call sites
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// in the function immediately on entry to the current function. This
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// eliminates the need for add/sub brackets around call sites.
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@ -235,7 +238,10 @@ void PowerPCRegisterInfo::emitEpilogue(MachineFunction &MF,
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MBB.insert(MBBI, MI);
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// If we have calls, restore the LR value before we branch to it
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if (MFI->hasCalls()) {
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// FIXME: the assembly printer inserts "calls" aka branch-and-link to get the
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// PC address. We may not know about those calls at this time, so be
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// conservative.
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if (MFI->hasCalls() || true) {
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// Read old LR from stack into R0
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MI = BuildMI(PPC32::LWZ, 2, PPC32::R0).addSImm(8).addReg(PPC32::R1);
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MBB.insert(MBBI, MI);
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