diff options
| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-15 05:35:14 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2016-06-15 05:35:14 +0000 |
| commit | 0272be206a0d1369736dfee456bfa7430ccd5e02 (patch) | |
| tree | 8ee9fd669e93d8a2c7b16053d8ff5f28fb317676 /llvm/lib/CodeGen/AsmPrinter | |
| parent | bc85ec86560649dc9eeb923dc45ecdedb3f54bbd (diff) | |
| download | bcm5719-llvm-0272be206a0d1369736dfee456bfa7430ccd5e02.tar.gz bcm5719-llvm-0272be206a0d1369736dfee456bfa7430ccd5e02.zip | |
Don't force SP-relative addressing for statepoints
Summary:
... when the offset is not statically known.
Prioritize addresses relative to the stack pointer in the stackmap, but
fallback gracefully to other modes of addressing if the offset to the
stack pointer is not a known constant.
Patch by Oscar Blumberg!
Reviewers: sanjoy
Subscribers: llvm-commits, majnemer, rnk, sanjoy, thanm
Differential Revision: http://reviews.llvm.org/D21259
llvm-svn: 272756
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/WinException.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp index 478396556d2..083aacb3fc5 100644 --- a/llvm/lib/CodeGen/AsmPrinter/WinException.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/WinException.cpp @@ -302,7 +302,8 @@ int WinException::getFrameIndexOffset(int FrameIndex, const TargetFrameLowering &TFI = *Asm->MF->getSubtarget().getFrameLowering(); unsigned UnusedReg; if (Asm->MAI->usesWindowsCFI()) - return TFI.getFrameIndexReferenceFromSP(*Asm->MF, FrameIndex, UnusedReg); + return *TFI.getFrameIndexReferenceFromSP(*Asm->MF, FrameIndex, UnusedReg, + /*AllowSPAdjustment*/ true); // For 32-bit, offsets should be relative to the end of the EH registration // node. For 64-bit, it's relative to SP at the end of the prologue. assert(FuncInfo.EHRegNodeEndOffset != INT_MAX); |
