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authorDevang Patel <dpatel@apple.com>2009-06-04 22:05:33 +0000
committerDevang Patel <dpatel@apple.com>2009-06-04 22:05:33 +0000
commitd18e31ae17390d9c6f6cf93d18badf962452031d (patch)
treebf18aac26483ba94dfa71c81dc2f5d2fb2bbe517 /lib/Target/PowerPC
parent4c9369df57a52cec5e1fc735e61a979766288074 (diff)
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Add new function attribute - noredzone.
Update code generator to use this attribute and remove DisableRedZone target option. Update llc to set this attribute when -disable-red-zone command line option is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72894 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC')
-rw-r--r--lib/Target/PowerPC/PPCRegisterInfo.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 5d5beeb..cb31506 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -908,6 +908,7 @@ void PPCRegisterInfo::determineFrameLayout(MachineFunction &MF) const {
// If we are a leaf function, and use up to 224 bytes of stack space,
// don't have a frame pointer, calls, or dynamic alloca then we do not need
// to adjust the stack pointer (we fit in the Red Zone).
+ bool DisableRedZone = MF.getFunction()->hasFnAttr(Attribute::NoRedZone);
if (!DisableRedZone &&
FrameSize <= 224 && // Fits in red zone.
!MFI->hasVarSizedObjects() && // No dynamic alloca.