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Oddly placed spawn crashes compiler #126

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VoxSciurorum opened this issue Aug 2, 2022 · 0 comments

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bug

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VoxSciurorum commented Aug 2, 2022

Compiling this function with OpenCilk 2.0 clang -fopencilk

extern int g(int), h();

void f()
{
  int x = g(_Cilk_spawn h());
}

causes a crash

Instruction does not dominate all uses!
  %call1 = call i32 @g(i32 noundef %call)
  store i32 %call1, i32* %x, align 4
in function f

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VoxSciurorum added the bug label

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