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llvm: avoid crash on duplicate asm input/output name

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This commit is contained in:
Veikka Tuominen 2022-09-23 17:09:21 +03:00
parent 3525b8778e
commit fdf4c875ff
1 changed files with 6 additions and 2 deletions
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8
src/codegen/llvm.zig
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@ -5972,7 +5972,9 @@ pub const FuncGen = struct {
}
if (!std.mem.eql(u8, name, "_")) {
name_map.putAssumeCapacityNoClobber(name, total_i);
const gop = name_map.getOrPutAssumeCapacity(name);
if (gop.found_existing) return self.todo("duplicate asm output name '{s}'", .{name});
gop.value_ptr.* = total_i;
}
total_i += 1;
}
@ -6028,7 +6030,9 @@ pub const FuncGen = struct {
}
if (!std.mem.eql(u8, name, "_")) {
name_map.putAssumeCapacityNoClobber(name, total_i);
const gop = name_map.getOrPutAssumeCapacity(name);
if (gop.found_existing) return self.todo("duplicate asm input name '{s}'", .{name});
gop.value_ptr.* = total_i;
}
// In the case of indirect inputs, LLVM requires the callsite to have