Chris Lattner 4e4b576e2e Implement simple register assignment for inline asms. This allows us to compile:
int %test(int %A, int %B) {
  %C = call int asm "xyz $0, $1, $2", "=r,r,r"(int %A, int %B)
  ret int %C
}

into:

 (0x8906130, LLVM BB @0x8902220):
        %r2 = OR4 %r3, %r3
        %r3 = OR4 %r4, %r4
        INLINEASM <es:xyz $0, $1, $2>, %r2<def>, %r2, %r3
        %r3 = OR4 %r2, %r2
        BLR

which asmprints as:

_test:
        or r2, r3, r3
        or r3, r4, r4
        xyz $0, $1, $2      ;; need to print the operands now :)
        or r3, r2, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25878 91177308-0d34-0410-b5e6-96231b3b80d8
2006-02-01 18:59:47 +00:00
2006-01-27 22:06:01 +00:00
2006-01-08 08:25:38 +00:00
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2006-01-27 22:13:12 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level 
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments. 

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
assistance with LLVM.
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LLVM backend for 6502
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