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x == -y --> x+y == 0 x != -y --> x+y != 0 On x86, the generated code goes from negl %esi cmpl %esi, %edi je .LBB0_2 to addl %esi, %edi je .L4 This case is correctly handled for ARM with "cmn". Patch by Manman Ren. rdar://11245199 PR12545 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155739 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
Archive | ||
AsmParser | ||
Bitcode | ||
CodeGen | ||
DebugInfo | ||
ExecutionEngine | ||
Linker | ||
MC | ||
Object | ||
Support | ||
TableGen | ||
Target | ||
Transforms | ||
VMCore | ||
CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |