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| author | Dan Gohman <gohman@apple.com> | 2009-09-25 22:24:52 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-09-25 22:24:52 +0000 |
| commit | 29438d13e036cb454b2089b8e175fc93f62bbba2 (patch) | |
| tree | b14ef2988dd3f9b02e91b992d6cfe996d8b13a3c /lib/CodeGen/MachineSink.cpp | |
| parent | eef490f45919c8f279e40b8b5ef09f612ec6ce2c (diff) | |
| download | llvm-29438d13e036cb454b2089b8e175fc93f62bbba2.tar.gz llvm-29438d13e036cb454b2089b8e175fc93f62bbba2.tar.bz2 llvm-29438d13e036cb454b2089b8e175fc93f62bbba2.tar.xz | |
Simplify this code by using use_iterator instead of reg_iterator
and skipping the defs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82811 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | lib/CodeGen/MachineSink.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineSink.cpp b/lib/CodeGen/MachineSink.cpp index 7fb33c6e4c..f975ad344a 100644 --- a/lib/CodeGen/MachineSink.cpp +++ b/lib/CodeGen/MachineSink.cpp @@ -70,10 +70,8 @@ bool MachineSinking::AllUsesDominatedByBlock(unsigned Reg, MachineBasicBlock *MBB) const { assert(TargetRegisterInfo::isVirtualRegister(Reg) && "Only makes sense for vregs"); - for (MachineRegisterInfo::reg_iterator I = RegInfo->reg_begin(Reg), - E = RegInfo->reg_end(); I != E; ++I) { - if (I.getOperand().isDef()) continue; // ignore def. - + for (MachineRegisterInfo::use_iterator I = RegInfo->use_begin(Reg), + E = RegInfo->use_end(); I != E; ++I) { // Determine the block of the use. MachineInstr *UseInst = &*I; MachineBasicBlock *UseBlock = UseInst->getParent(); |