Evan Cheng 0cf19155ef Fix a dagga combiner bug: avoid creating illegal constant. ...

Is this really a winning transformation?
fold (shl (srl x, c1), c2) -> (shl (and x, (shl -1, c1)), (sub c2, c1)) or                                                                              
                              (srl (and x, (shl -1, c1)), (sub c1, c2))

llvm-svn: 76535

2009-07-21 05:40:15 +00:00

..

Alpha

Make promotion in operation legalization for SETCC work correctly.

2009-07-17 05:16:04 +00:00

ARM

Fix ARM isle code that optimize multiply by constants which are power-of-2 +/- 1.

2009-07-21 00:31:12 +00:00

CBackend

Fix an erroneous check for isFNeg; the FNeg case is handled

2009-06-04 23:43:29 +00:00

CellSPU

Add some generic expansion logic for SMULO and UMULO. Fixes UMULO

2009-06-16 06:58:29 +00:00

CPP

Fix code emission for conditional branches.

2009-05-04 19:10:38 +00:00

Generic

remove tests for removed intrinsics.

2009-07-12 21:30:06 +00:00

IA64

Add the private linkage.

2009-01-15 20:18:42 +00:00

Mips

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

MSP430

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

PIC16

Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes

2009-07-20 22:02:59 +00:00

PowerPC

Teach MachineInstr::isRegTiedToDefOperand() to correctly parse inline asm operands.

2009-07-16 20:58:34 +00:00

SPARC

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

SystemZ

Enable cross register class coalescing.

2009-07-18 02:10:10 +00:00

Thumb

Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes

2009-07-20 22:02:59 +00:00

Thumb2

Fix ARM isle code that optimize multiply by constants which are power-of-2 +/- 1.

2009-07-21 00:31:12 +00:00

X86

Fix a dagga combiner bug: avoid creating illegal constant.

2009-07-21 05:40:15 +00:00

XCore

Combine an unaligned store of unaligned load into a memmove.

2009-07-16 12:50:48 +00:00