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Author SHA1 Message Date
Martin Storsjo 2f24e93481 [AArch64] Extend CallingConv::X86_64_Win64 to AArch64 as well 
Rename the enum value from X86_64_Win64 to plain Win64.

The symbol exposed in the textual IR is changed from 'x86_64_win64cc'
to 'win64cc', but the numeric value is kept, keeping support for
old bitcode.

Differential Revision: https://reviews.llvm.org/D34474

llvm-svn: 308208
 2017-07-17 20:05:19 +00:00
Charles Davis da280728b6 [Target/X86] Don't use callee-saved registers in a Win64 tail call on non-Windows. 
Summary:
A small bit that I missed when I updated the X86 backend to account for
the Win64 calling convention on non-Windows. Now we don't use dead
non-volatile registers when emitting a Win64 indirect tail call on
non-Windows.

Should fix PR23710.

Test Plan: Added test for the correct behavior based on the case I posted to PR23710.

Reviewers: rnk

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10258

llvm-svn: 239111
 2015-06-04 22:50:05 +00:00
Reid Kleckner e81017248c Don't sibcall between SysV and Win64 convention functions 
The shadow stack space expectations won't match.

Fixes PR22709.

llvm-svn: 230667
 2015-02-26 19:43:20 +00:00