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[Hashcat] UNREACHABLE executed at lib/BitcastUtils.cpp:1217 #1196

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kpet opened this issue Aug 21, 2023 · 1 comment · Fixed by #1199
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[Hashcat] UNREACHABLE executed at lib/BitcastUtils.cpp:1217 #1196

kpet opened this issue Aug 21, 2023 · 1 comment · Fixed by #1199
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kpet commented Aug 21, 2023

Compiling the attached source with the following command line

clspv source_94783615677232.bc -cl-single-precision-constant -cl-kernel-arg-info -rounding-mode-rte=16,32 -fp64=0 -rewrite-packed-structs -std430-ubo-layout -decorate-nonuniform -hack-mul-extended -hack-convert-to-float -arch=spir --use-native-builtins=ceil,copysign,exp2,fabs,floor,fma,fmax,fmin,half_exp,half_exp10,half_exp2,half_log,half_log10,half_log2,half_powr,half_rsqrt,half_sqrt,isequal,isfinite,isgreater,isgreaterequal,isinf,isless,islessequal,islessgreater,isnan,isnormal,isnotequal,isordered,isunordered,mad,rint,round,rsqrt,signbit,sqrt,trunc, -spv-version=1.6 -max-pushconstant-size=128 -max-ubo-size=1073741824 -global-offset -long-vector -module-constants-in-storage-buffer -cl-arm-non-uniform-work-group-size -enable-printf -printf-buffer-size=1048576  -x ir  -o compiled.spv

results in the following output

Err: SrcTy = i8 - DstTy = i8 - Ty = i8 - CstVal = 512
Unexpected offset for type in GetIdxsForTyFromOffset
UNREACHABLE executed at /path/to/clvk/external/clspv/lib/BitcastUtils.cpp:1217!

source_94783615677232.zip
@kpet kpet mentioned this issue Aug 21, 2023
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@rjodinchr rjodinchr self-assigned this Aug 22, 2023
rjodinchr added a commit to rjodinchr/clspv that referenced this issue Aug 22, 2023
@rjodinchr
fix GetIdxsForTyFromOffset with private and private like addrspace
d046050 
Private addrspace needs to have a zero as first indice.
But when SrcTy == DstTy, we are in another scenario coming from
pointer cast rework, where the first indice may not be zero.

Fix google#1196
@rjodinchr rjodinchr mentioned this issue Aug 22, 2023
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Also need #1198 and #1200 to be fixed

alan-baker pushed a commit that referenced this issue Aug 24, 2023
@rjodinchr
fix GetIdxsForTyFromOffset with private and private like addrspace (#…
4cd74f9 
…1199)

Private addrspace needs to have a zero as first indice.
But when SrcTy == DstTy, we are in another scenario coming from
pointer cast rework, where the first indice may not be zero.

Fix #1196
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fix GetIdxsForTyFromOffset with private and private like addrspace rjodinchr/clspv
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