Lang Hames 39fb1d08dc Add DAG-combines for aggressive FMA formation. ... This patch adds DAG combines to form FMAs from pairs of FADD + FMUL or FSUB + FMUL. The combines are performed when: (a) Either AllowExcessFPPrecision option (-enable-excess-fp-precision for llc) OR UnsafeFPMath option (-enable-unsafe-fp-math) are set, and (b) TargetLoweringInfo::isFMAFasterThanMulAndAdd(VT) is true for the type of the FADD/FSUB, and (c) The FMUL only has one user (the FADD/FSUB). If your target has fast FMA instructions you can make use of these combines by overriding TargetLoweringInfo::isFMAFasterThanMulAndAdd(VT) to return true for types supported by your FMA instruction, and adding patterns to match ISD::FMA to your FMA instructions. llvm-svn: 158757		2012-06-19 22:51:23 +00:00
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Analysis	SCEV: Handle a corner case reducing AddRecExpr * AddRecExpr	2012-05-30 03:35:20 +00:00
Archive	Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.	2012-02-16 06:28:33 +00:00
Assembler	Add half support to LLVM (for OpenCL)	2012-05-24 15:59:06 +00:00
Bindings/Ocaml	Continue cleanup of LIT, getting rid of the remaining artifacts from dejagnu	2012-03-25 09:02:19 +00:00
Bitcode	Add AutoUpgrade support for the SSE4 ptest intrinsics.	2012-06-10 18:42:51 +00:00
BugPoint	Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.	2012-02-16 06:28:33 +00:00
CodeGen	Add DAG-combines for aggressive FMA formation.	2012-06-19 22:51:23 +00:00
DebugInfo	Add support for enum forward declarations.	2012-06-01 00:22:32 +00:00
ExecutionEngine	Temporarily disabled the MCJIT tests for Darwin, because the RuntimeDyldMachO has a problems with relocations for 32bit x86.	2012-05-18 00:30:58 +00:00
Feature	rdar://11542750 - llvm.trap should be marked no return.	2012-05-27 23:20:41 +00:00
Instrumentation	[asan] instrument cmpxchg and atomicrmw	2012-05-30 09:04:06 +00:00
Integer	remove two (useless) tests that use incorrect intrinsic prototypes, detected by the new intrinsic verifier.	2012-05-27 19:31:00 +00:00
Linker	Remove llvm-ld and llvm-stub (which is only used by llvm-ld).	2012-04-19 19:27:54 +00:00
MC	Have ARM ELF use correct reloc for "b" instr.	2012-06-19 16:03:02 +00:00
Object	Continue cleanup of LIT, getting rid of the remaining artifacts from dejagnu	2012-03-25 09:02:19 +00:00
Other	Teach the 'opt' tool about '-Os' and '-Oz', corresponding to the Clang	2012-05-16 08:32:49 +00:00
Scripts	…
TableGen	Add support for range expressions in TableGen foreach loops.	2012-05-24 22:17:39 +00:00
Transforms	Now that SROA can form alloca's for dynamic vector accesses, further improve it to be able to replace operations on these vector alloca's with insert/extract element insts	2012-06-17 03:58:26 +00:00
Unit	tests: Rip out a bunch of now unused test code relating to use of llvm-gcc in LLVM tests.	2011-10-27 20:59:26 +00:00
Verifier	revert r158660, since Chris has some issues with this patch (namely using code to reprent information only used by the compiler)	2012-06-18 23:34:26 +00:00
YAMLParser	Add YAML parser to Support.	2012-04-03 23:09:22 +00:00
CMakeLists.txt	- Added ExecutionEngine/MCJIT tests	2012-05-17 21:07:47 +00:00
Makefile	- Added ExecutionEngine/MCJIT tests	2012-05-17 21:07:47 +00:00
Makefile.tests	…
TestRunner.sh	…
lit.cfg	Remove llvm-ld and llvm-stub (which is only used by llvm-ld).	2012-04-19 19:27:54 +00:00
lit.site.cfg.in	- Added ExecutionEngine/MCJIT tests	2012-05-17 21:07:47 +00:00
site.exp.in	tests: Rip out a bunch of now unused test code relating to use of llvm-gcc in LLVM tests.	2011-10-27 20:59:26 +00:00