diff options
| author | Dan Gohman <gohman@apple.com> | 2009-08-11 15:59:48 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-08-11 15:59:48 +0000 |
| commit | de9c056c63a861c469c2e65da11833aea6b6eb21 (patch) | |
| tree | 096f6521734c94e3b598ea1d022b7bed675c09eb | |
| parent | 4a77f2ab65cc1136e1df99966bbebd062199b833 (diff) | |
| download | external_llvm-de9c056c63a861c469c2e65da11833aea6b6eb21.zip external_llvm-de9c056c63a861c469c2e65da11833aea6b6eb21.tar.gz external_llvm-de9c056c63a861c469c2e65da11833aea6b6eb21.tar.bz2 | |
Simplify this code. The case where one class is GR64RegClass and the
other is a subclass of it is effectively handled by the prior tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78676 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 79bd0af..1b1c093 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1699,15 +1699,11 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB, // Neither of GR64_NOREX or GR64_NOSP is a superclass of the other, // but we want to copy then as GR64. Similarly, for GR32_NOREX and // GR32_NOSP, copy as GR32. - if ((SrcRC == &X86::GR64RegClass || - SrcRC->hasSuperClass(&X86::GR64RegClass)) && - (DestRC == &X86::GR64RegClass || - DestRC->hasSuperClass(&X86::GR64RegClass))) + if (SrcRC->hasSuperClass(&X86::GR64RegClass) && + DestRC->hasSuperClass(&X86::GR64RegClass)) CommonRC = &X86::GR64RegClass; - else if ((SrcRC == &X86::GR32RegClass || - SrcRC->hasSuperClass(&X86::GR32RegClass)) && - (DestRC == &X86::GR32RegClass || - DestRC->hasSuperClass(&X86::GR32RegClass))) + else if (SrcRC->hasSuperClass(&X86::GR32RegClass) && + DestRC->hasSuperClass(&X86::GR32RegClass)) CommonRC = &X86::GR32RegClass; else CommonRC = 0; |