llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-20 16:17:38 +00:00

Files

T

Evan Cheng 4d09efd7b8 Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e.

Turn                                                                                                                                                                                                       
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    br i1 %t1, label %BB1, label %BB2                                                                                                                                                                      
BB1:                                                                                                                                                                                                       
    %t3 = add %t2, c                                                                                                                                                                                       
    br label BB2                                                                                                                                                                                           
BB2:                                                                                                                                                                                                       
=>                                                                                                                                                                                                         
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    %t4 = add %t2, c                                                                                                                                                                                       
    %t3 = select i1 %t1, %t2, %t3


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52073 91177308-0d34-0410-b5e6-96231b3b80d8

2008-06-07 08:52:29 +00:00

Hello

Clean up the use of static and anonymous namespaces. This turned up

2008-05-13 00:00:25 +00:00

Instrumentation

Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to

2008-05-23 21:05:58 +00:00

IPO

Let StructRetPromotion check if all if its users are really calls or invokesn,

2008-06-05 08:57:20 +00:00

Scalar

Wrap MVT::ValueType in a struct to get type safety