49a067ccfe
Under some architecture/operating system combinations it is forbidden to return a pointer from a merge, as these pointers must point to a location at compile time. This adds a check for those cases when returning a pointer from a block merge.
20 lines
532 B
Zig
20 lines
532 B
Zig
export fn a() void {
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var x: *i32 = undefined;
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_ = &x;
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var y: *i32 = undefined;
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_ = &y;
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var rt_cond = false;
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_ = &rt_cond;
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var z = if (rt_cond) x else y;
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_ = &z;
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}
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// error
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// backend=stage2
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// target=spirv64-vulkan
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//
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// :9:13: error: value with non-mergable pointer type '*i32' depends on runtime control flow
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// :9:17: note: runtime control flow here
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// :9:13: note: pointers with address space 'generic' cannot be returned from a branch on target spirv-vulkan by compiler backend stage2_spirv64
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