diff options
Diffstat (limited to 'lib/Target/X86/X86InstrCompiler.td')
| -rw-r--r-- | lib/Target/X86/X86InstrCompiler.td | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td index 06600a4ef286..d66d9258e96f 100644 --- a/lib/Target/X86/X86InstrCompiler.td +++ b/lib/Target/X86/X86InstrCompiler.td @@ -1146,14 +1146,14 @@ def X86tcret_6regs : PatFrag<(ops node:$ptr, node:$off), def : Pat<(X86tcret ptr_rc_tailcall:$dst, imm:$off), (TCRETURNri ptr_rc_tailcall:$dst, imm:$off)>, - Requires<[Not64BitMode]>; + Requires<[Not64BitMode, NotUseRetpoline]>; // FIXME: This is disabled for 32-bit PIC mode because the global base // register which is part of the address mode may be assigned a // callee-saved register. def : Pat<(X86tcret (load addr:$dst), imm:$off), (TCRETURNmi addr:$dst, imm:$off)>, - Requires<[Not64BitMode, IsNotPIC]>; + Requires<[Not64BitMode, IsNotPIC, NotUseRetpoline]>; def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off), (TCRETURNdi tglobaladdr:$dst, imm:$off)>, @@ -1165,13 +1165,21 @@ def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off), def : Pat<(X86tcret ptr_rc_tailcall:$dst, imm:$off), (TCRETURNri64 ptr_rc_tailcall:$dst, imm:$off)>, - Requires<[In64BitMode]>; + Requires<[In64BitMode, NotUseRetpoline]>; // Don't fold loads into X86tcret requiring more than 6 regs. // There wouldn't be enough scratch registers for base+index. def : Pat<(X86tcret_6regs (load addr:$dst), imm:$off), (TCRETURNmi64 addr:$dst, imm:$off)>, - Requires<[In64BitMode]>; + Requires<[In64BitMode, NotUseRetpoline]>; + +def : Pat<(X86tcret ptr_rc_tailcall:$dst, imm:$off), + (RETPOLINE_TCRETURN64 ptr_rc_tailcall:$dst, imm:$off)>, + Requires<[In64BitMode, UseRetpoline]>; + +def : Pat<(X86tcret ptr_rc_tailcall:$dst, imm:$off), + (RETPOLINE_TCRETURN32 ptr_rc_tailcall:$dst, imm:$off)>, + Requires<[Not64BitMode, UseRetpoline]>; def : Pat<(X86tcret (i64 tglobaladdr:$dst), imm:$off), (TCRETURNdi64 tglobaladdr:$dst, imm:$off)>, |