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llvm-mirror/test/CodeGen/X86/tailcall-ri64.ll
NAKAMURA Takumi 8ace7260cc Target/X86: Tweak win64's tailcall.
llvm-svn: 124272
2011-01-26 02:04:09 +00:00

25 lines
829 B
LLVM

; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=AMD64
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
; PR8743
; TAILJMPri64 should not receive "callee-saved" registers beyond epilogue.
; AMD64: jmpq
; AMD64-NOT: %{{e[a-z]|rbx|rbp|r10|r12|r13|r14|r15}}
; WIN64: jmpq
; WIN64-NOT: %{{e[a-z]|rbx|rsi|rdi|rbp|r12|r13|r14|r15}}
%class = type { [8 x i8] }
%vt = type { i32 (...)** }
define %vt* @_ZN4llvm9UnsetInit20convertInitializerToEPNS_5RecTyE(%class*
%this, %vt* %Ty) align 2 {
entry:
%0 = bitcast %vt* %Ty to %vt* (%vt*, %class*)***
%vtable = load %vt* (%vt*, %class*)*** %0, align 8
%vfn = getelementptr inbounds %vt* (%vt*, %class*)** %vtable, i64 4
%1 = load %vt* (%vt*, %class*)** %vfn, align 8
%call = tail call %vt* %1(%vt* %Ty, %class* %this)
ret %vt* %call
}