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Craig Topper 8078dd2984 [X86] When selecting sse_load_f32/f64 pattern, make sure there's only one use of every node all the way back to the root of the match 
Summary: With masked operations, its possible for the operation node like fadd, fsub, etc. to be used by multiple different vselects. Since the pattern matching will start at the vselect, we need to make sure the operation node itself is only used once before we can fold a load. Otherwise we'll end up folding the same load into multiple instructions.

Reviewers: RKSimon, spatel, zvi, igorb

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D36938

llvm-svn: 311342
 		2017-08-21 16:04:04 +00:00
..
AArch64 [ARM][AArch64] Cortex-A75 and Cortex-A55 support 2017-08-21 08:43:06 +00:00
AMDGPU Revert "[MachineCopyPropagation] Extend pass to do COPY source forwarding" round 2 2017-08-18 01:43:11 +00:00
ARM [ARM] Check the right order for halves of VZIP/VUZP if both parts are used 2017-08-19 19:47:48 +00:00
AVR [AVR] Remove the instrumentation pass 2017-07-23 23:39:11 +00:00
BPF DAG: Undo and->or combine with FrameIndexes 2017-08-02 00:43:42 +00:00
Generic [TargetPassConfig] Feature generic options to setup start/stop-after/before 2017-07-31 18:24:07 +00:00
Hexagon [Hexagon] Ignore DBG_VALUEs when counting instructions in hexagon-early-if 2017-08-09 21:22:05 +00:00
Inputs
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Lanai CodeGen: Rename DEBUG_TYPE to match passnames 2017-05-25 21:26:32 +00:00
MIR [MIR] Print target-specific constant pools 2017-08-02 11:09:30 +00:00
MSP430 [DAG] Improve Aliasing of operations to static alloca 2017-07-18 20:06:24 +00:00
Mips Revert "[MachineCopyPropagation] Extend pass to do COPY source forwarding" round 2 2017-08-18 01:43:11 +00:00
NVPTX [NVPTX] Add lowering of i128 params. 2017-07-20 21:16:03 +00:00
Nios2 [Nios2] Target registration 2017-05-29 09:48:30 +00:00
PowerPC [PowerPC] Check if the pre-increment PHI Node already exists 2017-08-21 13:36:18 +00:00
SPARC Revert "[MachineCopyPropagation] Extend pass to do COPY source forwarding" round 2 2017-08-18 01:43:11 +00:00
SystemZ [SystemZ, MachineScheduler] Improve post-RA scheduling. 2017-08-17 08:33:44 +00:00
Thumb Revert "[MachineCopyPropagation] Extend pass to do COPY source forwarding" round 2 2017-08-18 01:43:11 +00:00
Thumb2 [Dominators] Include infinite loops in PostDominatorTree 2017-08-15 18:14:57 +00:00
WebAssembly [WebAssembly] Remove infinite loop from reg-stackify test 2017-08-16 00:49:44 +00:00
WinEH
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X86 [X86] When selecting sse_load_f32/f64 pattern, make sure there's only one use of every node all the way back to the root of the match 2017-08-21 16:04:04 +00:00
XCore Delete Default and JITDefault code models 2017-08-03 02:16:21 +00:00