ca8cb6852b59f4cbfc311415aab0d5a7ce0616b4 - platform_external_llvm

commit	ca8cb6852b59f4cbfc311415aab0d5a7ce0616b4	[log] [tgz]
author	Cameron McInally <cameron.mcinally@nyu.edu>	Tue Nov 13 18:15:47 2018 +0000
committer	Cameron McInally <cameron.mcinally@nyu.edu>	Tue Nov 13 18:15:47 2018 +0000
tree	6bb3bd1df28784c6360f2be2c60324844b921230
parent	3eec80d6b73c4891dd66a5cbc6e5d168d0658dee [diff]

[IR] Add a dedicated FNeg IR Instruction

The IEEE-754 Standard makes it clear that fneg(x) and
fsub(-0.0, x) are two different operations. The former is a bitwise
operation, while the latter is an arithmetic operation. This patch
creates a dedicated FNeg IR Instruction to model that behavior.

Differential Revision: https://reviews.llvm.org/D53877



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346774 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm-c/Core.h[diff]
include/llvm/Bitcode/LLVMBitCodes.h[diff]
include/llvm/CodeGen/GlobalISel/IRTranslator.h[diff]
include/llvm/IR/Constants.h[diff]
include/llvm/IR/InstVisitor.h[diff]
include/llvm/IR/Instruction.def[diff]
include/llvm/IR/Instruction.h[diff]
include/llvm/IR/Instructions.h[diff]
lib/AsmParser/LLLexer.cpp[diff]
lib/AsmParser/LLParser.cpp[diff]
lib/AsmParser/LLParser.h[diff]
lib/AsmParser/LLToken.h[diff]
lib/Bitcode/Reader/BitcodeReader.cpp[diff]
lib/Bitcode/Writer/BitcodeWriter.cpp[diff]
lib/CodeGen/GlobalISel/IRTranslator.cpp[diff]
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp[diff]
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h[diff]
lib/CodeGen/TargetLoweringBase.cpp[diff]
lib/IR/Constants.cpp[diff]
lib/IR/ConstantsContext.h[diff]
lib/IR/Instruction.cpp[diff]
lib/IR/Instructions.cpp[diff]
lib/IR/Verifier.cpp[diff]
test/Assembler/fast-math-flags.ll[diff]
test/Bitcode/compatibility.ll[diff]
test/Bitcode/function-encoding-rel-operands.ll[diff]
test/CodeGen/Generic/fneg-fabs.ll[diff]
test/CodeGen/X86/vec_fneg.ll[diff]
test/Transforms/MergeFunc/call-and-invoke-with-ranges.ll[diff]
tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp[diff]

30 files changed

tree: 6bb3bd1df28784c6360f2be2c60324844b921230