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(parent: bc99be1) | patch
Add sub/mul overflow intrinsics. This currently doesn't have a
authorBill Wendling <isanbard@gmail.com>
Tue, 9 Dec 2008 22:08:41 +0000 (22:08 +0000)
committerBill Wendling <isanbard@gmail.com>
Tue, 9 Dec 2008 22:08:41 +0000 (22:08 +0000)
commit74c376529101acbe141a256d0bf23a44eb454c84
tree1876d85236de9f0268a586dcedb5e9cfb6d4167dtree | snapshot
parentbc99be10b815e0bfc5102bd5746e9a80feebf6f4commit | diff
Add sub/mul overflow intrinsics. This currently doesn't have a
target-independent way of determining overflow on multiplication. It's very
tricky. Patch by Zoltan Varga!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60800 91177308-0d34-0410-b5e6-96231b3b80d8
15 files changed:
include/llvm/CodeGen/SelectionDAGNodes.h diff | blob | history
include/llvm/Intrinsics.td diff | blob | history
include/llvm/Target/TargetLowering.h diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeTypes.h diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAG.cpp diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAGBuild.h diff | blob | history
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
lib/Target/X86/X86ISelLowering.h diff | blob | history
lib/Target/X86/X86Instr64bit.td diff | blob | history
lib/Target/X86/X86InstrInfo.td diff | blob | history
test/CodeGen/X86/mul-with-overflow.ll [new file with mode: 0644] blob
test/CodeGen/X86/sub-with-overflow.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors