xref: /llvm-project/llvm/test/CodeGen/X86/tailcall-ri64.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=AMD64
2; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s -check-prefix=WIN64
3; PR8743
4; TAILJMPri64 should not receive "callee-saved" registers beyond epilogue.
5
6; AMD64: jmpq
7; AMD64-NOT: %{{e[a-z]|rbx|rbp|r10|r12|r13|r14|r15}}
8
9; WIN64: jmpq
10; WIN64-NOT: %{{e[a-z]|rbx|rsi|rdi|rbp|r12|r13|r14|r15}}
11
12%class = type { [8 x i8] }
13%vt = type { ptr }
14
15define ptr @_ZN4llvm9UnsetInit20convertInitializerToEPNS_5RecTyE(ptr
16%this, ptr %Ty) align 2 {
17entry:
18  %vtable = load ptr, ptr %Ty, align 8
19  %vfn = getelementptr inbounds ptr, ptr %vtable, i64 4
20  %0 = load ptr, ptr %vfn, align 8
21  %call = tail call ptr %0(ptr %Ty, ptr %this)
22  ret ptr %call
23}
24