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author	Matt Arsenault <Matthew.Arsenault@amd.com>
	Wed, 25 Jan 2017 06:08:42 +0000 (06:08 +0000)
committer	Matt Arsenault <Matthew.Arsenault@amd.com>
	Wed, 25 Jan 2017 06:08:42 +0000 (06:08 +0000)
commit	9291d3c697a3b4286af02f706516b0d015f11ee3
tree	fcfa0e681b8edaebcdd0aae024e4381b08458735	tree \| snapshot
parent	71721c067d44206c254d8f796c788fcad785698d	commit \| diff

DAG: Recognize no-signed-zeros-fp-math attribute

clang already emits this with -cl-no-signed-zeros, but codegen
doesn't do anything with it. Treat it like the other fast math
attributes, and change one place to use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293024 91177308-0d34-0410-b5e6-96231b3b80d8

external/llvm

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include/llvm/CodeGen/CommandFlags.h		diff \| blob \| history
include/llvm/Target/TargetOptions.h		diff \| blob \| history
lib/CodeGen/SelectionDAG/DAGCombiner.cpp		diff \| blob \| history
lib/Target/TargetMachine.cpp		diff \| blob \| history
test/CodeGen/AMDGPU/enable-no-signed-zeros-fp-math.ll	[new file with mode: 0644]	blob
test/CodeGen/AMDGPU/fsub.ll		diff \| blob \| history
test/CodeGen/X86/negative-sin.ll		diff \| blob \| history