Sam Parker d377332d77 [ARM] Disallow icmp with negative imm and overflow ...

We allow overflowing instructions if they're decreasing and only used
by an unsigned compare. Add the extra condition that the icmp cannot
be using a negative immediate.

Differential Revision: https://reviews.llvm.org/D52102


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@342392 91177308-0d34-0410-b5e6-96231b3b80d8

2018-09-17 13:48:25 +00:00

..

AArch64

[AArch64] Add integer abs testcases for D51873.

2018-09-13 17:11:25 +00:00

AMDGPU

[AMDGPU] Ensure trig range reduction only used for subtargets that require it

2018-09-14 10:27:19 +00:00

ARC

[ARC] Add ARC backend.

2017-08-24 15:40:33 +00:00

ARM

[ARM] Disallow icmp with negative imm and overflow

2018-09-17 13:48:25 +00:00

AVR

[AVR] Redefine the 'LSL' instruction as an alias of 'ADD'

2018-09-01 12:23:00 +00:00

BPF

bpf: add missing RegState to notify MachineInstr verifier necessary register usage

2018-07-27 16:58:52 +00:00

Generic

[MC/Dwarf] Unclamp DWARF linetables format on Darwin.

2018-09-13 13:13:50 +00:00

Hexagon

[Hexagon] Use shuffles when lowering "gather" shufflevectors

2018-09-12 22:14:52 +00:00

Inputs

…

Lanai

Remove SETCCE use from Lanai's backend

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

Mips

[MIPS] Fix illegal type assert in single-float mode

2018-09-11 15:32:47 +00:00

MIR

add IR flags to MI

2018-09-11 21:35:32 +00:00

MSP430

[DAGCombiner] Add X / X -> 1 & X % X -> 0 folds (test tweaks)

2018-08-29 11:18:14 +00:00

Nios2

[Nios2] Arithmetic instructions for R1 and R2 ISA.

2018-01-09 11:15:08 +00:00

NVPTX

[NVPTX] Implement isLegalToVectorizeLoadChain

2018-08-27 17:29:43 +00:00

PowerPC

[PowerPC] Fix label address calculation for ppc64

2018-09-17 11:03:40 +00:00

RISCV

[RISCV] atomic_store_nn have a different layout to regular store

2018-08-27 07:08:18 +00:00

SPARC

[Sparc] Use ANDN instead of AND if constant can be encoded more efficiently

2018-08-30 14:05:26 +00:00

SystemZ

[DAGCombiner] Add X / X -> 1 & X % X -> 0 folds (test tweaks)

2018-08-29 11:18:14 +00:00

Thumb

CodeGen: Make computeRegisterLiveness search forward first

2018-08-30 07:18:10 +00:00

Thumb2

[SelectionDAG] Improve the legalisation lowering of UMULO.

2018-08-16 18:39:39 +00:00

WebAssembly

[WebAssembly][NFC] Generalize operand numbers in SIMD tests

2018-09-15 01:12:48 +00:00

WinCFGuard

Rename the cfguard module flag to cfguardtable

2018-08-10 09:48:53 +00:00

WinEH

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

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

X86

[X86][SSE] Always enable ISD::SRL -> ISD::MULHU for v8i16

2018-09-16 20:28:38 +00:00

XCore

[DAGCombiner] extend(ifpositive(X)) -> shift-right (not X)

2018-07-15 16:27:07 +00:00