diff options
| author | Charles Davis <cdavis5x@gmail.com> | 2015-02-27 21:11:16 +0000 |
|---|---|---|
| committer | Charles Davis <cdavis5x@gmail.com> | 2015-02-27 21:11:16 +0000 |
| commit | dc64962c8649964d13cc60b83c8c400d5ae7504a (patch) | |
| tree | 806e7d807eb1263829ae8669f2b24bea4c155db3 /lib/Target/X86/X86FrameLowering.cpp | |
| parent | e03aac601f67c80dec7ef776173b768e08d4b1fe (diff) | |
Target/X86: Never use the redzone for Win64 ABI functions.
Summary:
Until now, we did this (among other things) based on whether or not the
target was Windows. This is clearly wrong, not just for Win64 ABI functions
on non-Windows, but for System V ABI functions on Windows, too. In this
change, we make this decision based on the ABI the calling convention
specifies instead.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7953
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230793 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86FrameLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86FrameLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp index cead0995330..1d2c73c4308 100644 --- a/lib/Target/X86/X86FrameLowering.cpp +++ b/lib/Target/X86/X86FrameLowering.cpp @@ -581,7 +581,7 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const { bool Is64Bit = STI.is64Bit(); // standard x86_64 and NaCl use 64-bit frame/stack pointers, x32 - 32-bit. const bool Uses64BitFramePtr = STI.isTarget64BitLP64() || STI.isTargetNaCl64(); - bool IsWin64 = STI.isTargetWin64(); + bool IsWin64 = STI.isCallingConvWin64(Fn->getCallingConv()); // Not necessarily synonymous with IsWin64. bool IsWinEH = MF.getTarget().getMCAsmInfo()->usesWindowsCFI(); bool NeedsWinEH = IsWinEH && Fn->needsUnwindTableEntry(); |