diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 92ff279e4e0..001d61dff02 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -325,6 +325,7 @@ def FarData : Predicate<"TM.getCodeModel() != CodeModel::Small &&" def NearData : Predicate<"TM.getCodeModel() == CodeModel::Small ||" "TM.getCodeModel() == CodeModel::Kernel">; def IsStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">; +def IsNotPIC : Predicate<"TM.getRelocationModel() != Reloc::PIC_">; def OptForSize : Predicate<"OptForSize">; def OptForSpeed : Predicate<"!OptForSize">; def FastBTMem : Predicate<"!Subtarget->isBTMemSlow()">; @@ -4346,9 +4347,12 @@ def : Pat<(X86tcret GR32_TC:$dst, imm:$off), (TCRETURNri GR32_TC:$dst, imm:$off)>, Requires<[In32BitMode]>; +// 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<[In32BitMode]>; + Requires<[In32BitMode, IsNotPIC]>; def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off), (TCRETURNdi texternalsym:$dst, imm:$off)>, |
