[LLVMdev] target hexagon and sparcv9 lead to llc crack

[Triple Yang]

sorry,
llc -march=hexagon -mcpu=hexagonv2 test.ll -o test.s
works.

2012/7/3 Triple Yang <triple.yang at gmail.com>:
> hi,
>
> does someone notice that llc options  "-march=hexagon"   and
> "-march-sparcv9"    do not work well under llvm 3.1?
>
> Following is a brief description:
> (1) test.c file
>
> int cmp(int i, int j) {
>         return (i>j)?1:0;
> }
>
> (2) test.ll file (clang -emit-llvm test.c -S -o test.ll)
>
> ; ModuleID = 'test.c'
> target datalayout =
> "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
> target triple = "i386-pc-linux-gnu"
>
> define i32 @cmp(i32 %i, i32 %j) nounwind {
> entry:
>   %i.addr = alloca i32, align 4
>   %j.addr = alloca i32, align 4
>   store i32 %i, i32* %i.addr, align 4
>   store i32 %j, i32* %j.addr, align 4
>   %0 = load i32* %i.addr, align 4
>   %1 = load i32* %j.addr, align 4
>   %cmp = icmp sgt i32 %0, %1
>   %cond = select i1 %cmp, i32 1, i32 0
>   ret i32 %cond
> }
>
> (3) llc -march=sparcv9 test.ll -o test.s
>
> ExpandIntegerResult #0: 0xaf38960: i64 = FrameIndex<1> [ORD=2] [ID=0]
>
> Do not know how to expand the result of this operator!
> UNREACHABLE executed at
> /home/yangyy/git.repo/llvm.git/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:1089!
> 0  llc 0x08c2512b
> Stack dump:
> 0.      Program arguments: llc -march=sparcv9 test.ll -o test.s
> 1.      Running pass 'Function Pass Manager' on module 'test.ll'.
> 2.      Running pass 'SPARC DAG->DAG Pattern Instruction Selection' on
> function '@cmp'
> Aborted (core dumped)
>
> (4) llc -march=hexagon test.ll -o test.s
>
> '' is not a recognized processor for this target (ignoring processor)
> 0  llc 0x08c2512b
> Stack dump:
> 0.      Program arguments: llc -march=hexagon test.ll -o test.s
> 1.      Running pass 'Function Pass Manager' on module 'test.ll'.
> 2.      Running pass 'Hexagon DAG->DAG Pattern Instruction Selection' on
> function '@cmp'
> Segmentation fault (core dumped)
>
> Can some one give a explanation?
>
> Best regard.
>
> --
> 杨勇勇 (Yang Yongyong)



-- 
杨勇勇 (Yang Yongyong)