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authorChad Rosier <mcrosier@apple.com>2011-10-18 05:28:00 +0000
committerChad Rosier <mcrosier@apple.com>2011-10-18 05:28:00 +0000
commitfe04757f5e06ab15208ac0a2ab8d7e83c62b9f0d (patch)
tree679d85c4d3576a429a1419196494da9ecb339d96 /lib/Target/ARM/ARMBaseRegisterInfo.cpp
parent895ede819f0558574fce66cc1eca80eee2deaa4e (diff)
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Add support for dynamic stack realignment when in thumb1 mode.
rdar://10288916 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142337 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMBaseRegisterInfo.cpp')
-rw-r--r--lib/Target/ARM/ARMBaseRegisterInfo.cpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 7c42342229..48e3c52460 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -626,13 +626,10 @@ bool ARMBaseRegisterInfo::hasBasePointer(const MachineFunction &MF) const {
bool ARMBaseRegisterInfo::canRealignStack(const MachineFunction &MF) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
- const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
// We can't realign the stack if:
// 1. Dynamic stack realignment is explicitly disabled,
- // 2. This is a Thumb1 function (it's not useful, so we don't bother), or
- // 3. There are VLAs in the function and the base pointer is disabled.
- return (RealignStack && !AFI->isThumb1OnlyFunction() &&
- (!MFI->hasVarSizedObjects() || EnableBasePointer));
+ // 2. There are VLAs in the function and the base pointer is disabled.
+ return (RealignStack && (!MFI->hasVarSizedObjects() || EnableBasePointer));
}
bool ARMBaseRegisterInfo::