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author | Bill Wendling <isanbard@gmail.com> | 2010-05-14 22:17:42 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2010-05-14 22:17:42 +0000 |
commit | 23ead992838188a3696a0c4510010b41824e789e (patch) | |
tree | 870d6ea5fb602947a1a1dfa3ed9e7c9792e4a2e5 /lib/Target/SystemZ/SystemZRegisterInfo.cpp | |
parent | efa155fd6e3820495205a09f8b9f20390d126153 (diff) | |
download | llvm-23ead992838188a3696a0c4510010b41824e789e.tar.gz llvm-23ead992838188a3696a0c4510010b41824e789e.tar.bz2 llvm-23ead992838188a3696a0c4510010b41824e789e.tar.xz |
SystemZ really does mean "has calls" and not just "adjusts stack." Go ahead and
replace the check with the appropriate predicate. Modify the testcase to reflect
the correct code. (It should be saving callee-saved registers on the stack
allocated by the calling fuction.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103829 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZRegisterInfo.cpp')
-rw-r--r-- | lib/Target/SystemZ/SystemZRegisterInfo.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp index 420005b73e..638fd17c99 100644 --- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp +++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp @@ -102,7 +102,7 @@ int SystemZRegisterInfo::getFrameIndexOffset(const MachineFunction &MF, Offset += StackSize - TFI.getOffsetOfLocalArea(); // Skip the register save area if we generated the stack frame. - if (StackSize || MFI->adjustsStack()) + if (StackSize || MFI->hasCalls()) Offset -= TFI.getOffsetOfLocalArea(); return Offset; @@ -163,14 +163,14 @@ SystemZRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, for (unsigned i = 0, e = array_lengthof(HighFPRs); i != e; ++i) HighFPRsUsed |= MRI.isPhysRegUsed(HighFPRs[i]); - if (FFI->adjustsStack()) + if (FFI->hasCalls()) /* FIXME: function is varargs */ /* FIXME: function grabs RA */ /* FIXME: function calls eh_return */ MRI.setPhysRegUsed(SystemZ::R14D); if (HighFPRsUsed || - FFI->adjustsStack() || + FFI->hasCalls() || FFI->getObjectIndexEnd() != 0 || // Contains automatic variables FFI->hasVarSizedObjects() // Function calls dynamic alloca's /* FIXME: function is varargs */) @@ -234,7 +234,7 @@ void SystemZRegisterInfo::emitPrologue(MachineFunction &MF) const { DL = MBBI->getDebugLoc(); // adjust stack pointer: R15 -= numbytes - if (StackSize || MFI->adjustsStack()) { + if (StackSize || MFI->hasCalls()) { assert(MF.getRegInfo().isPhysRegUsed(SystemZ::R15D) && "Invalid stack frame calculation!"); emitSPUpdate(MBB, MBBI, -(int64_t)NumBytes, TII); @@ -286,7 +286,7 @@ void SystemZRegisterInfo::emitEpilogue(MachineFunction &MF, // During callee-saved restores emission stack frame was not yet finialized // (and thus - the stack size was unknown). Tune the offset having full stack // size in hands. - if (StackSize || MFI->adjustsStack()) { + if (StackSize || MFI->hasCalls()) { assert((MBBI->getOpcode() == SystemZ::MOV64rmm || MBBI->getOpcode() == SystemZ::MOV64rm) && "Expected to see callee-save register restore code"); |