6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-28 17:23:27 +00:00
Code Issues Projects Releases Wiki Activity

Add reg_nodbg_iterator

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103856 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-05-15 02:52:58 +00:00
parent 4782b1e2ca
commit c66c78c684
1 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
include/llvm/CodeGen/MachineRegisterInfo.h
View File

@@ -93,6 +93,20 @@ public:
/// specified register (it may be live-in). /// specified register (it may be live-in).
bool reg_empty(unsigned RegNo) const { return reg_begin(RegNo) == reg_end(); } bool reg_empty(unsigned RegNo) const { return reg_begin(RegNo) == reg_end(); }
/// reg_nodbg_iterator/reg_nodbg_begin/reg_nodbg_end - Walk all defs and uses
/// of the specified register, skipping those marked as Debug.
typedef defusechain_iterator<true,true,true> reg_nodbg_iterator;
reg_nodbg_iterator reg_nodbg_begin(unsigned RegNo) const {
return reg_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static reg_nodbg_iterator reg_nodbg_end() { return reg_nodbg_iterator(0); }
/// reg_nodbg_empty - Return true if the only instructions using or defining
/// Reg are Debug instructions.
bool reg_nodbg_empty(unsigned RegNo) const {
return reg_nodbg_begin(RegNo) == reg_nodbg_end();
}
/// def_iterator/def_begin/def_end - Walk all defs of the specified register. /// def_iterator/def_begin/def_end - Walk all defs of the specified register.
typedef defusechain_iterator<false,true,false> def_iterator; typedef defusechain_iterator<false,true,false> def_iterator;
def_iterator def_begin(unsigned RegNo) const { def_iterator def_begin(unsigned RegNo) const {