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Crash on any input in --debug mode #2711

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nurmukhametov opened this issue Nov 29, 2023 · 2 comments · May be fixed by #2716
Open

Crash on any input in --debug mode #2711

nurmukhametov opened this issue Nov 29, 2023 · 2 comments · May be fixed by #2716
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Crash All compiler crashes

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@nurmukhametov
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On any input with --stdlib and --debug, ISPC crashes:

$  ispc --debug t.ispc -o t.ll -O2

stdlib.ispc:2146:20: Error: Unable to find any matching overload for call to function "atomic_swap_global".
        Passed types: (/*unbound*/ int64 * uniform, varying int64)

/localdisk2/anurmukh/applications.compilers.ispc.core/src/main.cpp(404): FATAL ERROR: Unhandled signal sent to process; terminating.
***
@nurmukhametov nurmukhametov added the Crash All compiler crashes label Nov 29, 2023
@nurmukhametov
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The smaller reproducer is:

void foo(void *uniform dst, void *uniform src, uniform int32 count) {
    __memcpy32((int8 * uniform) dst, (int8 * uniform) src, count);
}

to reproduce:

$ ispc t.ispc -o t.o -O2 --target=avx2-i32x8 --debug --nostdlib
Initial AST
`-Function <t2.ispc:2.5 - 2.67>  "foo"
  `-(body) StmtList <t2.ispc:2.5 - 2.67>
    `-ExprStmt <t2.ispc:2.5 - 2.66>
t2.ispc:2:5: Error: Unable to find any matching overload for call to function "__memcpy32" only considering exact matches.
        Passed types: (/*unbound*/ int8 * uniform, /*unbound*/ int8 * uniform, uniform int32)

    __memcpy32((int8 * uniform) dst, (int8 * uniform) src, count);
    ^^^^^^^^^^

@nurmukhametov nurmukhametov linked a pull request Dec 15, 2023 that will close this issue
stdlib: fix compilation errors in stdlib #2716
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@pbrubaker
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Is this fixed now by #2716 ?

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stdlib: fix compilation errors in stdlib nurmukhametov/ispc
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@pbrubaker @nurmukhametov