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add a ReplaceMBBInJumpTables method

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30983 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-16 20:41:42 +00:00
parent ba8a2ee548
commit a7fa1476b6
1 changed files with 12 additions and 0 deletions
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12
include/llvm/CodeGen/MachineJumpTableInfo.h
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@ -26,6 +26,7 @@
namespace llvm {
class MachineBasicBlock;
class TargetData;
/// MachineJumpTableEntry - One jump table in the jump table info.
///
@ -54,6 +55,17 @@ public:
return JumpTables;
}
/// ReplaceMBBInJumpTables - If Old is the target of any jump tables, update
/// the jump tables to branch to New instead.
void ReplaceMBBInJumpTables(MachineBasicBlock *Old, MachineBasicBlock *New) {
for (unsigned i = 0, e = JumpTables.size(); i != e; ++i) {
MachineJumpTableEntry &JTE = JumpTables[i];
for (unsigned j = 0, e = JTE.MBBs.size(); j != e; ++j)
if (JTE.MBBs[j] == Old)
JTE.MBBs[j] = New;
}
}
/// getEntrySize - returns the size of an individual field in a jump table
unsigned getEntrySize() const;