Diogo N. Sampaio eaaa4f4cfc [SelectionDAG] https://reviews.llvm.org/D48278 ...

D48278

Allow to reduce redundant shift masks.
For example:
x1 = x & 0xAB00
x2 = (x >> 8) & 0xAB

can be reduced to:
x1 = x & 0xAB00
x2 = x1 >> 8
It only allows folding when the masks and shift values are constants.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336426 91177308-0d34-0410-b5e6-96231b3b80d8

2018-07-06 09:42:25 +00:00

..

AArch64

[SelectionDAG] https://reviews.llvm.org/D48278

2018-07-06 09:42:25 +00:00

AMDGPU

AMDGPU: Don't use spir_kernel in a test

2018-07-05 17:01:29 +00:00

ARC

…

ARM

[SelectionDAG] https://reviews.llvm.org/D48278

2018-07-06 09:42:25 +00:00

AVR

[AVR] Set trackLivenessAfterRegAlloc

2018-06-11 14:46:48 +00:00

BPF

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00

Generic

Implement strip.invariant.group

2018-07-02 04:49:30 +00:00

Hexagon

[DAGCombiner] Ensure we use the correct CC result type in visitSDIV (REAPPLIED)

2018-06-28 17:33:41 +00:00

Inputs

…

Lanai

Remove SETCCE use from Lanai's backend

2018-06-03 12:56:24 +00:00

Mips

[mips] Fix atomic operations at O0, v3

2018-07-05 09:27:05 +00:00

MIR

[DebugInfo] Make sure all DBG_VALUEs' reguse operands have IsDebug property

2018-06-21 10:03:34 +00:00

MSP430

Emit a left-shift instead of a power-of-two multiply for jump-tables

2018-05-16 08:58:26 +00:00

Nios2

…

NVPTX

NFC - Various typo fixes in tests

2018-07-04 13:28:39 +00:00

PowerPC

[Power9] Add __float128 library call for frem

2018-07-06 02:47:02 +00:00

RISCV

[RISCV] Add machine function pass to merge base + offset

2018-06-27 20:51:42 +00:00

SPARC

NFC - Various typo fixes in tests

2018-07-04 13:28:39 +00:00

SystemZ

Recommit r335333 "[MC] - Add .stack_size sections into groups and link them with .text"

2018-06-22 10:53:47 +00:00

Thumb

[ARM] Testcase for Thumb1 cmp with constants.

2018-06-19 00:12:13 +00:00

Thumb2

Generalize MergeBlockIntoPredecessor. Replace uses of MergeBasicBlockIntoOnlyPred.

2018-06-20 22:01:04 +00:00

WebAssembly

Partially revert r336268 in address-offsets.ll

2018-07-05 11:30:15 +00:00

WinCFGuard

…

WinEH

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00

X86

[SelectionDAG] https://reviews.llvm.org/D48278

2018-07-06 09:42:25 +00:00

XCore

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00