Get rid of unused codegen-only instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148239 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td
index 281c51b..5649ba5 100644 (file)
--- a/lib/Target/X86/X86InstrCompiler.td
+++ b/lib/Target/X86/X86InstrCompiler.td
@@ -562,15 +562,6 @@ def Int_MemBarrier : I<0, Pseudo, (outs), (ins),
                      "#MEMBARRIER",
                      [(X86MemBarrier)]>;
 
-// TODO: Get this to fold the constant into the instruction.
-let hasSideEffects = 1, Defs = [ESP], isCodeGenOnly = 1 in
-def Int_MemBarrierNoSSE64  : RI<0x09, MRM1r, (outs), (ins GR64:$zero),
-                           "lock\n\t"
-                           "or{q}\t{$zero, (%rsp)|(%rsp), $zero}",
-                           [(X86MemBarrierNoSSE GR64:$zero)]>,
-                           Requires<[In64BitMode]>, LOCK;
-
-
 // RegOpc corresponds to the mr version of the instruction
 // ImmOpc corresponds to the mi version of the instruction
 // ImmOpc8 corresponds to the mi8 version of the instruction

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 870b157..663e07b 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -104,12 +104,9 @@ def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
 def SDT_X86TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
 
 def SDT_X86MEMBARRIER : SDTypeProfile<0, 0, []>;
-def SDT_X86MEMBARRIERNoSSE : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
 
 def X86MemBarrier : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIER,
                             [SDNPHasChain]>;
-def X86MemBarrierNoSSE : SDNode<"X86ISD::MEMBARRIER", SDT_X86MEMBARRIERNoSSE,
-                                [SDNPHasChain]>;
 def X86MFence : SDNode<"X86ISD::MFENCE", SDT_X86MEMBARRIER,
                         [SDNPHasChain]>;
 def X86SFence : SDNode<"X86ISD::SFENCE", SDT_X86MEMBARRIER,