6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-20 14:29:27 +00:00
Code Issues Projects Releases Wiki Activity

[mips] Do not add SecondLastInst to list BranchInstrs if there is only one

Browse Source 
terminator.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176326 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-03-01 01:22:26 +00:00
parent d0a4b60df1
commit 888e8fefd2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/Mips/MipsInstrInfo.cpp
View File

@ -226,8 +226,6 @@ AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
return BT_None; return BT_None;
} }
BranchInstrs.insert(BranchInstrs.begin(), SecondLastInst);
// If there is only one terminator instruction, process it. // If there is only one terminator instruction, process it.
if (!SecondLastOpc) { if (!SecondLastOpc) {
// Unconditional branch // Unconditional branch
@ -246,6 +244,8 @@ AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
if (++I != REnd && isUnpredicatedTerminator(&*I)) if (++I != REnd && isUnpredicatedTerminator(&*I))
return BT_None; return BT_None;
BranchInstrs.insert(BranchInstrs.begin(), SecondLastInst);
// If second to last instruction is an unconditional branch, // If second to last instruction is an unconditional branch,
// analyze it and remove the last instruction. // analyze it and remove the last instruction.
if (SecondLastOpc == UncondBrOpc) { if (SecondLastOpc == UncondBrOpc) {