maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Get rid of unused codegen-only instruction. 

llvm-svn: 148239
This commit is contained in:
Eli Friedman 2012-01-16 16:29:35 +00:00
parent 254328509f
commit 75e3db4c7a
2 changed files with 0 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/lib/Target/X86/X86InstrCompiler.td
View File

@ -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

3
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -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,