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author | Evan Cheng <evan.cheng@apple.com> | 2011-12-06 22:12:01 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2011-12-06 22:12:01 +0000 |
commit | 7c2a4a30e0e16762c75adacebd05ec9fcbccf16b (patch) | |
tree | ccd531b26932f56aae8b213493bc6fbbf365cd12 /lib/CodeGen/TailDuplication.cpp | |
parent | 3d5d8f6b768619ed65f79606d5c981c1e056c7e8 (diff) | |
download | llvm-7c2a4a30e0e16762c75adacebd05ec9fcbccf16b.tar.gz llvm-7c2a4a30e0e16762c75adacebd05ec9fcbccf16b.tar.bz2 llvm-7c2a4a30e0e16762c75adacebd05ec9fcbccf16b.tar.xz |
First chunk of MachineInstr bundle support.
1. Added opcode BUNDLE
2. Taught MachineInstr class to deal with bundled MIs
3. Changed MachineBasicBlock iterator to skip over bundled MIs; added an iterator to walk all the MIs
4. Taught MachineBasicBlock methods about bundled MIs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145975 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
-rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index 3a6211a0f3..adfce863d0 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -561,8 +561,7 @@ TailDuplicatePass::shouldTailDuplicate(const MachineFunction &MF, // Check the instructions in the block to determine whether tail-duplication // is invalid or unlikely to be profitable. unsigned InstrCount = 0; - for (MachineBasicBlock::const_iterator I = TailBB.begin(); I != TailBB.end(); - ++I) { + for (MachineBasicBlock::iterator I = TailBB.begin(); I != TailBB.end(); ++I) { // Non-duplicable things shouldn't be tail-duplicated. if (I->getDesc().isNotDuplicable()) return false; |