Hal Finkel 64fa501b10 Apply the InstCombine fptrunc sqrt optimization to llvm.sqrt ... InstCombine, in visitFPTrunc, applies the following optimization to sqrt calls: (fptrunc (sqrt (fpext x))) -> (sqrtf x) but does not apply the same optimization to llvm.sqrt. This is a problem because, to enable vectorization, Clang generates llvm.sqrt instead of sqrt in fast-math mode, and because this optimization is being applied to sqrt and not applied to llvm.sqrt, sometimes the fast-math code is slower. This change makes InstCombine apply this optimization to llvm.sqrt as well. This fixes the specific problem in PR17758, although the same underlying issue (optimizations applied to libcalls are not applied to intrinsics) exists for other optimizations in SimplifyLibCalls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194935 91177308-0d34-0410-b5e6-96231b3b80d8		2013-11-16 21:29:08 +00:00
..
Analysis	Use correct size for address space in BasicAA.	2013-11-16 00:36:43 +00:00
Assembler	Add addrspacecast instruction.	2013-11-15 01:34:59 +00:00
Bindings	[OCaml] Add REQUIRES: native, object-emission to the Target test	2013-11-15 03:43:51 +00:00
Bitcode	Change BitcodeReader to use error_code instead of bool + string.	2013-11-04 16:16:24 +00:00
BugPoint
CodeGen	Fix assert on unaligned access to global with different address space size.	2013-11-16 20:50:54 +00:00
DebugInfo	For dwarf4 use the correct form for referencing debug_loc locations,	2013-11-16 00:18:40 +00:00
ExecutionEngine	Add XFAIL:arm again on 4 MCJIT tests, since r194558. AArch64 has been left removed.	2013-11-13 07:43:10 +00:00
Feature	Add addrspacecast instruction.	2013-11-15 01:34:59 +00:00
FileCheck	FileCheck: fix matching of one check-prefix is a prefix of another	2013-11-13 14:12:52 +00:00
Instrumentation	Reapply "[asan] Poor man's coverage that works with ASan"	2013-11-15 07:16:09 +00:00
Integer
JitListener
Linker	Debug Info: remove duplication of DIEs when a DIE can be shared across CUs.	2013-10-31 17:54:35 +00:00
LTO	Protect user-supplied runtime library functions in LTO	2013-11-12 21:44:01 +00:00
MC	Use instr mapping for microMIPS in llvm-mc.	2013-11-15 08:07:34 +00:00
Object	llvm-ar: Let opening a directory failed in llvm-ar.	2013-11-08 12:35:56 +00:00
Other	Add addrspacecast instruction.	2013-11-15 01:34:59 +00:00
TableGen	Mark 36 tests as XFAIL:vg_leak in llvm/test/TableGen.	2013-11-10 14:26:08 +00:00
tools	Path: Recognize COFF import library file magic.	2013-11-15 21:22:02 +00:00
Transforms	Apply the InstCombine fptrunc sqrt optimization to llvm.sqrt	2013-11-16 21:29:08 +00:00
Unit
Verifier	Add Verifier test case for variable argument intrinsics.	2013-10-31 17:18:17 +00:00
YAMLParser	[Support][YAML] Add support for accessing tags and tag handle substitution.	2013-10-18 22:38:04 +00:00
CMakeLists.txt	lit: add missing substitutions for recently added tools	2013-10-28 23:37:49 +00:00
lit.cfg	lit: add missing substitutions for recently added tools	2013-10-28 23:37:49 +00:00
lit.site.cfg.in
Makefile	[OCaml] Dynamically link LLVM on --enable-shared builds	2013-11-12 20:55:49 +00:00
Makefile.tests
TestRunner.sh