Remove pseudo instructions that are no longer used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157492 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/MipsExpandPseudo.cpp b/lib/Target/Mips/MipsExpandPseudo.cpp
index baeae97a4f524829f8d333dba994031456bec2c8..410f7233be023d1adda437d5927fcb83f78c2a9a 100644 (file)
--- a/lib/Target/Mips/MipsExpandPseudo.cpp
+++ b/lib/Target/Mips/MipsExpandPseudo.cpp
@@ -67,12 +67,6 @@ bool MipsExpandPseudo::runOnMachineBasicBlock(MachineBasicBlock& MBB) {
     default:
       ++I;
       continue;
-    case Mips::SETGP2:
-      // Convert "setgp2 $globalreg, $t9" to "addu $globalreg, $v0, $t9"
-      BuildMI(MBB, I, I->getDebugLoc(), TII->get(Mips::ADDu),
-              I->getOperand(0).getReg())
-        .addReg(Mips::V0).addReg(I->getOperand(1).getReg());
-      break;
     case Mips::BuildPairF64:
       ExpandBuildPairF64(MBB, I);
       break;

diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index d2a4387209ff8da8a82a25bc1a416b075e59ba42..5acb988e553a1eb6c20e06eefc0865ff271cd76b 100644 (file)
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -796,29 +796,6 @@ let neverHasSideEffects = 1 in
 def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc, CPURegs:$gp),
                            ".cprestore\t$loc", []>;
 
-// For O32 ABI & PIC & non-fixed global base register, the following instruction
-// seqeunce is emitted to set the global base register:
-//
-//  0. lui   $2, %hi(_gp_disp)
-//  1. addiu $2, $2, %lo(_gp_disp)
-//  2. addu  $globalbasereg, $2, $t9
-//
-// SETGP01 is emitted during Prologue/Epilogue insertion and then converted to
-// instructions 0 and 1 in the sequence above during MC lowering.
-// SETGP2 is emitted just before register allocation and converted to
-// instruction 2 just prior to post-RA scheduling.
-//
-// These pseudo instructions are needed to ensure no instructions are inserted
-// before or between instructions 0 and 1, which is a limitation imposed by
-// GNU linker.
-
-let isTerminator = 1, isBarrier = 1 in
-def SETGP01 : MipsPseudo<(outs CPURegs:$dst), (ins), "", []>;
-
-let neverHasSideEffects = 1 in
-def SETGP2 : MipsPseudo<(outs CPURegs:$globalreg), (ins CPURegs:$picreg), "",
-                        []>;
-
 let usesCustomInserter = 1 in {
   defm ATOMIC_LOAD_ADD_I8   : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
   defm ATOMIC_LOAD_ADD_I16  : Atomic2Ops32<atomic_load_add_16, "load_add_16">;